What does the melting point of matter depend on ?

What does the melting point of matter depend on ?
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Answer :

It depends on the increase and decrease of pressure
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Description : What is melting point ?

Last Answer : The temperature at which a solid substance is melted into a liquid is called the melting point of that substance.

Explain melting point and boiling point with examples.

Description : Explain melting point and boiling point with examples.

Last Answer : The temperature at which an object begins to boil is called the boiling point of that object. For example, water starts boiling at a temperature of 100 degrees. So the boiling point of water is 100 ... water starts melting at a temperature of 0 degrees. So the melting point of water is 0 degrees.

Melting point of ice _______. (1) increases with increase of pressure (2) decreases with increase of pressure (3) is independent of pressure (4) None of these

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Last Answer : (2) decreases with increase of pressure Explanation: The melting point of ice at 1 atmosphere of pressure is very close to 0 °C (32 °F, 273.15 K); this is also known as the ice point.

At hill stations, the boiling point of water will be – (1) same as at sea level (2) less than that at sea level (3) more than that at sea level (4) equal to the melting point of ice

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Last Answer : (1) high resistance and low melting point. Explanation: A fuse or fusable link works by opening an electrical circuit when the current becomes too high. As the current increases, the temperature ... be connected in series with the appliance. Besides, it should have a comparatively high resistance.

Nichrome wire is used in an electric heater because _______. (1) It has high resistance (2) It has high melting point (3) It can resist a current upto approx 5 amperes (4) For all of the above reasons

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Last Answer : (2) below freezing point Explanation: Supercooling is the process of chilling a liquid below its freezing point, without it becoming solid.

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Last Answer : (1) they contain free electrons Explanation: Copper is used for electrical wiring because it is a good conductor of electricity. Metal particles are held together by strong metallic bonds, which is why they have high melting and boiling points.

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Last Answer : (4) It has a very high melting point Explanation: Tungsten is used because it has the highest melting point of all the metallic elements. It melts at 3410 degrees Celsius. When current passes ... bulb. The first successful light bulb filaments were made of carbon (from carbonized paper or bamboo).

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Last Answer : (1) they contain free electrons Explanation: Copper is used for electrical wiring because it is a good conductor of electricity. Metal particles are held together by strong metallic bonds, which is why they have high melting and boiling points.

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Last Answer : ANSWER: Y -- HIGH MELTING POINT

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Last Answer : ANSWER: Y -- THE MELTING POINT DECREASES WITH INCREASING PRESSURE 

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Description : For photoelectric effect to take place, the metal used as the cathode should have______ (1) high melting point (2) low melting point (3) low work function (4) low resistance

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At hill stations, the boiling point of water will be (1) same as at sea level (2) less than that at sea level (3) more than that at sea level (4) equal to the melting point of ice

Description : At hill stations, the boiling point of water will be (1) same as at sea level (2) less than that at sea level (3) more than that at sea level (4) equal to the melting point of ice 

Last Answer : less than that at sea level

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Last Answer :  below freezing point

A Fuse wire is characterised by (1) High resistance and low melting point (2) High resistance and high melting point (3) Low resistance and high melting point (4) Low resistance and low melting point

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Last Answer : Low resistance and low melting point

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Description : Safety fuse wire used in domestic electrical appliances is made of metal of low (1) Resistance (2) Melting point (3) Specific gravity (4) Conductance

Last Answer : Melting point

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Last Answer : high resistance and low melting point.

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Description : Tungsten is used for the manufacture of the filament of an electric bulb, because (1) It is a good conductor (2) It is economical (3) It is malleable (4) It has a very high melting point

Last Answer : It has a very high melting point

When pressure is increased the melting point of ice (1) increases (2) does not change (3) decreases (4) depends on the impurities in the ice

Description : When pressure is increased the melting point of ice (1) increases (2) does not change (3) decreases (4) depends on the impurities in the ice

Last Answer : decreases

What does the speed of an object moving at unequal speed depend on ?

Description : What does the speed of an object moving at unequal speed depend on ?

Last Answer : What does the velocity of an object moving at unequal speed depend on ?

What does relative heat depend on ?

Description : What does relative heat depend on ?

Last Answer : Depending on the relative heat content.

Resistance of a metal rod does not depend on which of the following ? 1) ... resistivity 2) density 3). Length 4), warmth ..... Explain it in a little details ?

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Last Answer : Answer : On its density. Because it depends on how close or how far the atom must be seen.

What does the speed of sound depend on ?

Description : What does the speed of sound depend on ?

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What does the inertia of an object depend on ?

Last Answer : The inertia of an object depends on its mass.

On which does Kinetic Energy depend?

Description : On which does Kinetic Energy depend?

Last Answer : – Both mass and velocity of the moving body

The velocity of sound in air – (1) decreases with increase of temperature (2) increases with decrease of temperature (3) does not depend on temperature (4) decreases with decrease of temperature

Description : The velocity of sound in air – (1) decreases with increase of temperature (2) increases with decrease of temperature (3) does not depend on temperature (4) decreases with decrease of temperature

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The colours of stars depend on their – (1) temperature (2) distance (3) radius (4) atmospheric pressure

Description : The colours of stars depend on their – (1) temperature (2) distance (3) radius (4) atmospheric pressure

Last Answer : (1) temperature Explanation: The colour of a star tells about its temperature, and the temperature depends on some combination of the star's mass and evolutionary phase.

The moment of inertia of a body does not depend upon its – (1) axis of rotation (2) angular velocity (3) form of mass (4) distribution of mass

Description : The moment of inertia of a body does not depend upon its – (1) axis of rotation (2) angular velocity (3) form of mass (4) distribution of mass

Last Answer : (2) angular velocity Explanation: Moment of inertia is the mass property of a rigid body that determines the torque needed for a desired angular acceleration about an axis of rotation. Moment of inertia ... of moments of inertia of the masses making up the whole object, under the same conditions.

Velocity of sound in air does not depend on – (1) Density of air (2) Temperature of air (3) Pressure of air (4) Humidity of air

Description : Velocity of sound in air does not depend on – (1) Density of air (2) Temperature of air (3) Pressure of air (4) Humidity of air

Last Answer : (3) Pressure of air Explanation: Assuming air to be an ideal gas, the speed of sound depends on temperature only. As air temperature increases, so does the speed of sound and vice versa. ... air pressure because the air pressure and air density are proportional to each other at the same temperature.

The amount of heat required to change a boiling liquid to a gas at the same temperature depends on one of the following properties of the liquid. Does it depend on the liquid's: w) heat of fusion x) heat of vaporization y) temperature z) density

Description : The amount of heat required to change a boiling liquid to a gas at the same temperature depends on one of the following properties of the liquid. Does it depend on the liquid's: w) heat of fusion x) heat of vaporization y) temperature z) density

Last Answer : ANSWER: X -- HEAT OF VAPORIZATION

The colours of stars depend on their (1) temperature (2) distance (3) radius (4) atmospheric pressure

Description : The colours of stars depend on their (1) temperature (2) distance (3) radius (4) atmospheric pressure

Last Answer : temperature

The moment of inertia of a body does not depend upon its (1) axis of rotation (2) angular velocity (3) form of mass (4) distribution of mass

Description : The moment of inertia of a body does not depend upon its (1) axis of rotation (2) angular velocity (3) form of mass (4) distribution of mass

Last Answer : angular velocity

Velocity of sound in air does not depend on (1) Density of air (2) Temperature of air (3) Pressure of air (4) Humidity of air

Description : Velocity of sound in air does not depend on (1) Density of air (2) Temperature of air (3) Pressure of air (4) Humidity of air

Last Answer :  Pressure of air

The velocity of sound in air (1) decreases with increase of temperature (2) increases with decrease of temperature (3) does not depend on temperature (4) decreases with decrease of temperature

Description : The velocity of sound in air (1) decreases with increase of temperature (2) increases with decrease of temperature (3) does not depend on temperature (4) decreases with decrease of temperature

Last Answer :  decreases with decrease of temperature

What is the latent heat of melting ice ?

Description : What is the latent heat of melting ice ?

Last Answer : The latent heat of melting ice is 60 calories.

Which of the following produces more severe burns? (1) Boiling water (2) Hot water (3) Steam (4) Melting Iceberg

Description : Which of the following produces more severe burns? (1) Boiling water (2) Hot water (3) Steam (4) Melting Iceberg

Last Answer : (3) Steam Explanation: A burn is an injury to the body's tissue resulting from heat, chemicals, electricity or sunlight. Burns are often classified as first degree (those causing damage to the ... deepest and most severe damage destruction of all layers of the skin and damage to tissues underneath.

What is the process of melting also called? (1) Fusion (2) Galvanisation (3) Crystallisatiorn (4) Evaporation

Description : What is the process of melting also called? (1) Fusion (2) Galvanisation (3) Crystallisatiorn (4) Evaporation

Last Answer : (1) Fusion Explanation: Melting, or fusion. is a physical process that results in the phase transition of a substance from a solid to a liquid.

What term refers to the heat needed to change a unit mass of a substance at its melting temperature from a solid into a liquid?

Description : What term refers to the heat needed to change a unit mass of a substance at its melting temperature from a solid into a liquid? 

Last Answer : ANSWER: HEAT OF FUSION or LATENT HEAT OF FUSION or ENTHALPY OF FUSION

Which of the following produces more severe burns ? (1) Boiling water (2) Hot water (3) Steam (4) Melting iceberg

Description : Which of the following produces more severe burns ? (1) Boiling water (2) Hot water (3) Steam (4) Melting iceberg

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Curie point is the temperature at which (1) Matter becomes radioactive (2) A metal loses magnetic properties (3) A metal loses conductivity (4) Transmutation of metal occurs

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Last Answer : (2) A metal loses magnetic properties Explanation: In physics and materials science, the Curie temperature (TO, or Curie point, is the temperature at which a ferromagnetic or a ... in piezoelectric materials to refer to the temperature at which spontaneous polarization is lost on heating.

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Last Answer : A metal loses magnetic properties.

Have we come to a point where we depend too much on computers in our day to day lives?

Description : Have we come to a point where we depend too much on computers in our day to day lives?

Last Answer : SQUEEKY2 Join a monastery ! They don’t use them.