In general, as you move across a period (left to right) electronegativity: w) increases x) decreases y) remains the same z) increases or decreases

In general, as you move across a period (left to right) electronegativity: w) increases x) decreases y) remains the same z) increases or decreases
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ANSWER: W -- INCREASES
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Choose the correct statement. (a) Electronegativity increases down a group (b) Electronegativity decreases down a group (c) Electronegativity decreases from left to right along a period (d) Electronegativity changes along a group, but remains constant along a period

Description : Choose the correct statement. (a) Electronegativity increases down a group (b) Electronegativity decreases down a group (c) Electronegativity decreases from left to right along a period (d) Electronegativity changes along a group, but remains constant along a period

Last Answer : Ans:(b)

In general, as you move down a family the ionization energy: w) increases x) decreases y) remains the same z) increases or decreases

Description : In general, as you move down a family the ionization energy: w) increases x) decreases y) remains the same z) increases or decreases

Last Answer : ANSWER: X -- DECREASES

In the periodic table of elements, on moving from left to right across a period, the atomic radius – (1) decreases (2) increases (3) remains unchanged (4) does not follow a definite pattern

Description : In the periodic table of elements, on moving from left to right across a period, the atomic radius – (1) decreases (2) increases (3) remains unchanged (4) does not follow a definite pattern

Last Answer : (1) decreases Explanation: The atomic radius is the distance from the atomic nucleus to the outermost stable electron orbital in an atom that is at equilibrium. It tends to decrease across a period from ... usually increases while going down a group due to the addition of a new energy level (shell).

In the periodic table of elements, on moving from left to right across a period, the atomic radius (1) decreases (2) increases (3) remains unchanged (4) does not follow a definite pattern

Description : In the periodic table of elements, on moving from left to right across a period, the atomic radius (1) decreases (2) increases (3) remains unchanged (4) does not follow a definite pattern

Last Answer : increases

As a pendulum is raised to higher altitudes, its period: w) increases x) decreases y) remains the same z) decreases, then remains the same

Description : As a pendulum is raised to higher altitudes, its period: w) increases x) decreases y) remains the same z) decreases, then remains the same

Last Answer : ANSWER: W -- INCREASES

If a metallic object is heated, its density generally: w) increases x) decreases y) fluctuates randomly z) remains the same

Description : If a metallic object is heated, its density generally: w) increases x) decreases y) fluctuates randomly z) remains the same

Last Answer : ANSWER: X -- DECREASES

Assuming all other parameters remain constant, what happens to the pressure of a gas when the volume of the gas is increased? w) increases x) decreases y) fluctuates sinusoidally z) remains the same

Description : Assuming all other parameters remain constant, what happens to the pressure of a gas when the volume of the gas is increased? w) increases x) decreases y) fluctuates sinusoidally z) remains the same

Last Answer : ANSWER: X -- DECREASES

After a projectile is fired horizontally near the earth's surface, the horizontal component of its velocity, neglecting any air resistance: w) increases steadily x) decreases steadily y) first decreases, then increases z) remains constant

Description : After a projectile is fired horizontally near the earth's surface, the horizontal component of its velocity, neglecting any air resistance: w) increases steadily x) decreases steadily y) first decreases, then increases z) remains constant

Last Answer : ANSWER: Z -- REMAINS CONSTANT 

As one goes across a period in the periodic table, the ionization energy generally increases for one of the following reasons. Is it because of the increasing w) atomic radius x) melting point y) nuclear charge z) density

Description : As one goes across a period in the periodic table, the ionization energy generally increases for one of the following reasons. Is it because of the increasing w) atomic radius x) melting point y) nuclear charge z) density

Last Answer : ANSWER: Y -- NUCLEAR CHARGE

Which of the following elements has the highest electronegativity? w) Lithium x) Iodine y) Cesium z) Oxygen

Description : Which of the following elements has the highest electronegativity? w) Lithium x) Iodine y) Cesium z) Oxygen

Last Answer : ANSWER: D -- OXYGEN

As you go up a mountain top, your weight: w) increases slightly x) decreases slightly y) remains exactly the same.

Description : As you go up a mountain top, your weight: w) increases slightly x) decreases slightly y) remains exactly the same.

Last Answer : ANSWER: X -- DECREASES SLIGHTLY

As you go down into a well, your weight: w) increases slightly x) decreases slightly y) remains exactly the same

Description : As you go down into a well, your weight: w) increases slightly x) decreases slightly y) remains exactly the same

Last Answer : ANSWER: X -- DECREASES SLIGHTLY

Which one of the following statements is TRUE regarding the molar heat capacity for the noble gases? w) heat capacity decreases from Helium to Xenon x) heat capacity increases from helium to argon y) heat capacity increases from Helium to Argon, then decreases to Xenon z) heat capacity is the same for all noble gases

Description : Which one of the following statements is TRUE regarding the molar heat capacity for the noble gases? w) heat capacity decreases from Helium to Xenon x) heat capacity increases from helium to argon y) heat ... Helium to Argon, then decreases to Xenon z) heat capacity is the same for all noble gases 

Last Answer : ANSWER: Z -- HEAT CAPACITY IS THE SAME FOR ALL NOBLE GASES 

Electronegativity increases from left to right and _ bottom on the periodic table from top to?

Description : Electronegativity increases from left to right and _ bottom on the periodic table from top to?

Last Answer : Decreases

Electronegativity increases from left to right and _ bottom on the periodic table from top to?

Description : Electronegativity increases from left to right and _ bottom on the periodic table from top to?

Last Answer : Decreases

In a period from Li to F, ionisation potential – (1) cannot be predicted (2) increases (3) decreases (4) remains same

Description : In a period from Li to F, ionisation potential – (1) cannot be predicted (2) increases (3) decreases (4) remains same

Last Answer : (1) cannot be predicted

In a period from Li to F, ionisation potential (1) cannot be predicted (2) increases (3) decreases (4) remains same

Description : In a period from Li to F, ionisation potential (1) cannot be predicted (2) increases (3) decreases (4) remains same

Last Answer : cannot be predicted

A negative heat of solution indicates that: w) an endothermic dissolving process occurs x) solute solubility increases with rising solution temperature y) solute solubility decreases with rising solution temperature z) super-saturation conditions exist

Description : A negative heat of solution indicates that: w) an endothermic dissolving process occurs x) solute solubility increases with rising solution temperature y) solute solubility decreases with rising solution temperature z) super-saturation conditions exist

Last Answer : ANSWER: Y -- SOLUTE SOLUBILITY DECREASES WITH RISING SOLUTION TEMPERATURE

In a period of inflation and price rises the supply of money remains - (1) the same (2) increases (3) decreases (4) increases or decreases pro-portionately.

Description : In a period of inflation and price rises the supply of money remains - (1) the same (2) increases (3) decreases (4) increases or decreases pro-portionately.

Last Answer : (2) increases Explanation: Money supply is the total amount of monetary assets available in an economy at a specific time. The relation between money and prices is historically associated with the quantity ... money-supply growth, at least for rapid increases in the amount of money in the economy.

As frequency increases, the period ________. A) decreases B) increases C) remains the same D) doubles

Description : As frequency increases, the period ________. A) decreases B) increases C) remains the same D) doubles

Last Answer : decreases

In a period of inflation and price rise the supply of money remains (1) the same (2) increases (3) decreases (4) increases or decreases proportionately.

Description : In a period of inflation and price rise the supply of money remains (1) the same (2) increases (3) decreases (4) increases or decreases proportionately.

Last Answer : increases

With increase in the pressure drop across the cake, the specific cake resistance for the compressible sludge (A) Increases (B) Decreases (C) Remains constant (D) Increases linearly

Description : With increase in the pressure drop across the cake, the specific cake resistance for the compressible sludge (A) Increases (B) Decreases (C) Remains constant (D) Increases linearly

Last Answer : (A) Increases

When an atom undergoes beta decay, the atomic number of the nucleus: w) is unchanged x) increases by one y) decreases by one z) none of the above

Description : When an atom undergoes beta decay, the atomic number of the nucleus: w) is unchanged x) increases by one y) decreases by one z) none of the above

Last Answer : ANSWER: X -- INCREASES BY ONE

Ca(BrO3)2 (read: C - a, left parenthesis, B - r - O - subscript 3, right parenthesis, subscript 2) is called: w) calcium bromate x) calcium bromite y) calcium dibromite z) calcium bromide

Description : Ca(BrO3)2 (read: C - a, left parenthesis, B - r - O - subscript 3, right parenthesis, subscript 2) is called: w) calcium bromate x) calcium bromite y) calcium dibromite z) calcium bromide

Last Answer : ANSWER: W -- CALCIUM BROMATE

Which statement is correct for muscle contraction? (a) Length of H-zone decreases. (b) Length of A-band remains constant. (c) Length of I-band increases. (d) Length of two Z-line increases.

Description : Which statement is correct for muscle contraction? (a) Length of H-zone decreases. (b) Length of A-band remains constant. (c) Length of I-band increases. (d) Length of two Z-line increases.

Last Answer : (b) Length of A-band remains constant.

When iron rusts, its weight – (1) decreases (2) increases (3) remains the same (4) first increases and then decreases

Description : When iron rusts, its weight – (1) decreases (2) increases (3) remains the same (4) first increases and then decreases

Last Answer : (2) increases Explanation: When iron rusts, oxide compounds are formed due the interaction between oxygen in the air or in water and the metal. Because of the oxygen atoms binding with the metal, the weight of the metal with rust will increase.

When iron rusts, its weight : (1) decreases (2) increases (3) remains the same (4) first increases and then decreases

Description : When iron rusts, its weight : (1) decreases (2) increases (3) remains the same (4) first increases and then decreases

Last Answer : (2) increases Explanation: When iron rusts, oxide compounds are formed due the interaction between oxygen in the air or in water an the metal.

When iron rusts, its weight (1) decreases (2) increases (3) remains the same (4) first increases and then decreases

Description : When iron rusts, its weight (1) decreases (2) increases (3) remains the same (4) first increases and then decreases

Last Answer : increases

As a source of sound approaches a stationary listener, the apparent wavelength: w) increases x) decreases y) stays the same.

Description : As a source of sound approaches a stationary listener, the apparent wavelength: w) increases x) decreases y) stays the same. 

Last Answer : ANSWER: X -- DECREASES

Water flows through a horizontal pipe at a constant volumetric rate. At a location where the cross sectional area decreases, the velocity of the fluid: w) increases x) decreases y) stays the same

Description : Water flows through a horizontal pipe at a constant volumetric rate. At a location where the cross sectional area decreases, the velocity of the fluid: w) increases x) decreases y) stays the same

Last Answer : ANSWER: W -- INCREASES 

Eight persons P, Q, R, S, W, X, Y and Z in which 4 females are facing towards and 4 males facing away from the center. Males and females are seated alternately. I. X is male, W position is 3rd to the right of X and exactly opposite to Q. II. P is 2nd to the left of W. III. S and R are facing each other as well R & Y are neighbors. Which of the following is correct for neighbors? a) X, W b) R, X c) S, W d) P, S

Description : Eight persons P, Q, R, S, W, X, Y and Z in which 4 females are facing towards and 4 males facing away from the center. Males and females are seated alternately. I. X is male, W position is 3rd to the right of X ... . Which of the following is correct for neighbors? a) X, W b) R, X c) S, W d) P, S

Last Answer : Ans: option (d)

Eight persons P, Q, R, S, W, X, Y and Z in which 4 females are facing towards and 4 males facing away from the center. Males and females are seated alternately. I. X is male, W position is 3rd to the right of X and exactly opposite to Q. II. P is 2nd to the left of W. III. S and R are facing each other as well R & Y are neighbors. Who is the only female in between X & R? a) Z b) P c) Y d) Q

Description : Eight persons P, Q, R, S, W, X, Y and Z in which 4 females are facing towards and 4 males facing away from the center. Males and females are seated alternately. I. X is male, W position is 3rd to the right of X and ... R & Y are neighbors. Who is the only female in between X & R? a) Z b) P c) Y d) Q

Last Answer : Ans: option (c)

Eight persons P, Q, R, S, W, X, Y and Z in which 4 females are facing towards and 4 males facing away from the center. Males and females are seated alternately. I. X is male, W position is 3rd to the right of X and exactly opposite to Q. II. P is 2nd to the left of W. III. S and R are facing each other as well R & Y are neighbors. Who are all females in the given arrangement? a) S, Q, R, W b) P, Q, Y, W c) P, Q, R, W d) P, Q, R, S

Description : Eight persons P, Q, R, S, W, X, Y and Z in which 4 females are facing towards and 4 males facing away from the center. Males and females are seated alternately. I. X is male, W position is 3rd to the right of X and exactly opposite to Q. ... a) S, Q, R, W b) P, Q, Y, W c) P, Q, R, W d) P, Q, R, S

Last Answer : b) P, Q, Y, W

Eight persons P, Q, R, S, W, X, Y and Z in which 4 females are facing towards and 4 males facing away from the center. Males and females are seated alternately. I. X is male, W position is 3rd to the right of X and exactly opposite to Q. II. P is 2nd to the left of W. III. S and R are facing each other as well R & Y are neighbors. 10. Who is exactly opposite to X? a) Z b) P c) S d) W

Description : Eight persons P, Q, R, S, W, X, Y and Z in which 4 females are facing towards and 4 males facing away from the center. Males and females are seated alternately. I. X is male, W position is 3rd to the right of X ... as well R & Y are neighbors. 10. Who is exactly opposite to X? a) Z b) P c) S d) W

Last Answer : Ans: option (a)

A pendulum which is suspended from the ceiling of a railroad car is observed to hang at an angle of 10 degrees to the left of vertical. Which of the following answers could explain this phenomena? w) The railroad car is at rest. x) The railroad car is accelerating to the left. y) The railroad car is moving with constant velocity to the right. z) The railroad car is accelerating to the right.

Description : A pendulum which is suspended from the ceiling of a railroad car is observed to hang at an angle of 10 degrees to the left of vertical. Which of the following answers could explain this phenomena? w ... is moving with constant velocity to the right. z) The railroad car is accelerating to the right.

Last Answer : ANSWER: Z -- THE RAILROAD CAR IS ACCELERATING TO THE RIGHT. 

A pendulum which is suspended from the ceiling of a railroad car is observed to hang at an angle of 10 degrees to the right of vertical. Which of the following answers could explain this phenomena? w) The railroad car is at rest. x) The railroad car is accelerating to the left. y) The railroad car is moving with constant velocity to the right. z) The railroad car is accelerating to the right.

Description : A pendulum which is suspended from the ceiling of a railroad car is observed to hang at an angle of 10 degrees to the right of vertical. Which of the following answers could explain this phenomena? ... is moving with constant velocity to the right. z) The railroad car is accelerating to the right.

Last Answer : ANSWER: X -- THE RAILROAD CAR IS ACCELERATING TO THE LEFT. 

Nature tends to move toward states of: w) high energy and disorder x) high energy and order y) low energy and disorder z) low energy and order

Description : Nature tends to move toward states of: w) high energy and disorder x) high energy and order y) low energy and disorder z) low energy and order

Last Answer : ANSWER: Y -- LOW ENERGY AND DISORDER

a) What is meant by periodicity in properties of elements with reference to the periodic table? (b) Why do all the elements of the same group have similar properties? (c) How will the tendency to gain electrons change as we go from left to right across a period? Why? -Science

Description : a) What is meant by periodicity in properties of elements with reference to the periodic table? (b) Why do all the elements of the same group have similar properties? (c) How will the tendency to gain electrons change as we go from left to right across a period? Why? -Science

Last Answer : (a) The repetition of same properties after definite interval is called periodicity in properties. (b) It is because they have same valence electrons therefore, have similar properties. (c) ... to right in a period because atomic size goes on decreasing and effective nuclear charge increases.

Standing waves are formed when two sets of waves of equal amplitude and frequency w) are in phase x) are in opposite phase y) move through each other in opposite directions z) are reflected from the same surface

Description : Standing waves are formed when two sets of waves of equal amplitude and frequency w) are in phase x) are in opposite phase y) move through each other in opposite directions z) are reflected from the same surface

Last Answer : ANSWER: Y -- MOVE THROUGH EACH OTHER IN OPPOSITE DIRECTIONS 

Which of the following gases is more soluble in water as the water temperature increases? w) Helium x) Air y) Carbon dioxide z) Hydrogen

Description : Which of the following gases is more soluble in water as the water temperature increases? w) Helium x) Air y) Carbon dioxide z) Hydrogen

Last Answer : ANSWER: W -- HELIUM

At one atmosphere, a cylinder with movable piston contains 2,000 milliliters of gas. If the pressure is increased to 5 atmospheres and the temperature remains unchanged, what is the new volume of the gas? w) 10,000 milliliters x) 400 milliliters y) 1,000 milliliters z) 4,000 milliliters

Description : At one atmosphere, a cylinder with movable piston contains 2,000 milliliters of gas. If the pressure is increased to 5 atmospheres and the temperature remains unchanged, what is the new volume of the gas? w) 10,000 milliliters x) 400 milliliters y) 1,000 milliliters z) 4,000 milliliters

Last Answer : ANSWER: X -- 400 MILLILITERS

Which of the following statements is TRUE about an ELASTIC collision between two particles? Is it true that: w) neither particle loses any of its kinetic energy x) neither particle loses any of its momentum y) the velocity gained by one particle is equal to that lost by the other z) the total kinetic energy before and after the collision remains constant

Description : Which of the following statements is TRUE about an ELASTIC collision between two particles? Is it true that: w) neither particle loses any of its kinetic energy x) neither particle loses any of ... that lost by the other z) the total kinetic energy before and after the collision remains constant

Last Answer : ANSWER: Z -- THE TOTAL KINETIC ENERGY BEFORE AND AFTER THE COLLISION RE

Which of the following is TRUE of a sample of gas at a constant temperature when the pressure is doubled? w)the volume doubles x)the volume halves y)the volume remains the same

Description : Which of the following is TRUE of a sample of gas at a constant temperature when the pressure is doubled? w)the volume doubles x)the volume halves y)the volume remains the same

Last Answer : ANSWER: X -- THE VOLUME HALVES

When load factor and diversity factor increases ___________ a) cost of electricity decreases b) cost of electricity also increases c) cost of electricity remains same d) cost of electricity increases exponential

Description : When load factor and diversity factor increases ___________ a) cost of electricity decreases b) cost of electricity also increases c) cost of electricity remains same d) cost of electricity increases exponential

Last Answer : Ans: A

At lower temperatures and pressures, the latent heat of vaporization of a refrigerant (a) decreases (b) increases (c) remains same (d) depends on other factors

Description : At lower temperatures and pressures, the latent heat of vaporization of a refrigerant (a) decreases (b) increases (c) remains same (d) depends on other factors

Last Answer : Ans: b

Work input to the air compressor with n as index of compression A. Increases with increase in value of n B. Decrease with increase in value of n C. remains same whatever the value of n D. first increase and then decreases with increase of value of n.

Description : Work input to the air compressor with n as index of compression A. Increases with increase in value of n B. Decrease with increase in value of n C. remains same whatever the value of n D. first increase and then decreases with increase of value of n.

Last Answer : ANSWER : A

When iron rusts, the weight (a) Increases (b) Decreases (c) Remains the same (d) First increases then decreases

Description : When iron rusts, the weight (a) Increases (b) Decreases (c) Remains the same (d) First increases then decreases

Last Answer : Ans:(a)

If speed of rotation of the earth increases, the weight of the body – (1) decreases (2) increases (3) remains the same (4) may increase or decrease

Description : If speed of rotation of the earth increases, the weight of the body – (1) decreases (2) increases (3) remains the same (4) may increase or decrease

Last Answer : (1) decreases Explanation: The weight of a body on the earth is the amount of gravitational pull on it exerted by the earth. Similarly there is another force exerted on a body on earth, that ... under the influence of the centrifugal force and the weight of the body will seem to have decreased.

With the increase of pressure, the boiling point of any substance - (1) Increases (2) Decreases (3) Remains Same (4) Becomes zero

Description : With the increase of pressure, the boiling point of any substance - (1) Increases (2) Decreases (3) Remains Same (4) Becomes zero

Last Answer : (1) Increases Explanation: The temperature stays the same until all the liquid has vaporized. As the temperature of a liquid rises, the pressure of escaping vapor also rises, and at the boiling point ... vapor is equal to that exerted on the liquid by the surrounding air, causing bubbles to form.

If cream is removed from milk, its density – (1) Increases (2) Decreases (3) Remains the same (4) May increase or decrease

Description : If cream is removed from milk, its density – (1) Increases (2) Decreases (3) Remains the same (4) May increase or decrease

Last Answer : (1) Increases Explanation: The density of pure fresh milk being on the average 1.032, while the density of fat globules is about 0.86. It follows that the removal of cream will increase the density, while the addition of water will decrease it.