Boiling point is very high for

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Boiling point is very high for A. He B. Ne C. Kr D. Xe

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Description : When the mixture to be distilled has a very high boiling point and the product material is heat sensitive, the separation technique to be used is __________ distillation. (A) Continuous (B) Steam (C) Azeotropic (D) None of these

Last Answer : (B) Steam

Description : In sub-cooled boiling, (A) Temperature of the heating surface is less than the boiling point of the liquid (B) Temperature of the heating surface is more than the boiling point of the liquid (C) ... from heating surface are absorbed by the mass of the liquid (D) Very large vapour space is necessary

Last Answer : (B) Temperature of the heating surface is more than the boiling point of the liquid

Description : The melting and boiling points of ionic solids are (a) High (b) Low (c) Very low (d) Of intermediate range

Last Answer : Ans:(a)

Description : The temperature of boiling water in a steam engine may be high because - (1) there are dissolved substances in water (2) there is low pressure inside the boiler (3) there is high pressure inside the boiler (4) the lire is at very high temperature

Last Answer : (3) there is high pressure inside the boiler Explanation: In the boiler of a steam engine, there is a firebox where coal is shoveled into. The coal is kept burning at a very high temperature, and ... reservoir; the steam is then controlled by a slide valve to move into a cylinder to push the piston.

Description : Pick out the correct statement. (A) Ponchan-Savarit method is more accurate than McCabe-Thiele method to determine the number of theoretical stages required for the separation of ... Flash distillation is suitable for separating components which have very close boiling temperature

Last Answer : (A) Ponchan-Savarit method is more accurate than McCabe-Thiele method to determine the number of theoretical stages required for the separation of non￾ideal binary system by distillation

Description : Film boiling occurs at __________ pressure. (A) Atmospheric (B) Sub-atmospheric (C) Negative (D) Very high

Last Answer : (D) Very high

Description : The temperature of boiling water in a steam engine may be high because : (1) there are dissolved substances in water (2) there is low pressure inside the boiler (3) there is high pressure inside the boiler (4) the fire is at very high temperature

Last Answer :  there is high pressure inside the boiler

Description : Why does napthalene have a high boiling point?

Last Answer : Feel Free to Answer

Description : Do halogens have a high or low boiling point?

Last Answer : Low

Description : Why H2SO4 has high boiling point?

Last Answer : Need answer

Description : Why is it easier to cook in a pressure cooker? (a) High pressure creates turbulence (b) More steam is formed inside the cooker (c) Boiling point of water is raised (d) Boiling point of water is lowered

Last Answer : Ans:(c)

Description : At high altitudes it is difficult to cook eggs or vegetables properly because of (a) High boiling point of water and low atmospheric pressure (b) Low boiling point of water and low atmospheric ... Low value of acceleration due to gravity (d) High atmospheric pressure and low billing point of water

Last Answer : Ans:(b)

Description : Metals have ______. (1) High melting and boiling point (2) Low melting and boiling point (3) High melting and low boiling point (4) Low melting and high boiling point

Last Answer : (1) High melting and boiling point

Description : The boiling point of water decreases at higher altitudes is due to – (1) low temperature (2) low atmospheric pressure (3) high temperature (4) high atmospheric pressure

Last Answer : (2) low atmospheric pressure Explanation: At higher altitudes, the air pressure is decreased, which forces water's boiling point to lower. The air pressure decreases with altitude because of the ... of air. The lowered boiling point of water requires an increase in cooking times or temperature.

Description : Water is used in car radiator because of its – (1) low density (2) easy availability (3) high specific heat capacity (4) low boiling point

Last Answer : (3) high specific heat capacity Explanation: Water is used in car radiators because the Specific heat capacity of water is high as a result of which it takes away the heat from engine better compared to ... coolant used in the radiator. If the radiator was to overheat the car would come to a stop.

Description : Water is a good solvent of ionic salts because - (1) It has no colour (2) It has a boiling point (3) It has a high dipole moment (4) It has a high specific heat

Last Answer : (3) It has a high dipole moment

Description : Water is not suitable as a calorimetric substance because it – (1) has high specific heat (2) is a good conductor (3) has high boiling point (4) low latent heat of vaporization

Last Answer : (1) has high specific heat Explanation: The specific heat of water is higher than all other common substances. Hence, water is used for heating purposes (as in hot water bottles) and for cooling ... the liquids, mercury has the lowest specific heat due to which it is used as a thermometric liquid.

Description : Crude oil is subjected to vacuum distillation in the last stage, because (A) High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose (B) Lighter/low ... prone to thermal decomposition (C) High purity products can be obtained thereby (D) None of these

Last Answer : (A) High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose

Description : Water has high boiling point due to the presence of?

Last Answer : Hydrogen bonding

Description : High boiling point of water is due to?

Last Answer : Hydrogen bonding

Description : A liquid with high boiling point decomposes on simple distillation but it can be steam distilled for its purification .Explain how is it possible?

Last Answer : In steam distillation boiling occurs when vapour pressure of organic compound & steam becomes equal to atmospheric pressure. As vapour pressure of water is higher than the organic liquid. ... organic liquid vaporizes at a temperature below its boiling point in steam distillation without decomposing.

Description : . A dilute aqueous solution is to be concentrated in an evaporator system. High pressure steam is available. Multiple effect evaporator system is employed, because (A) Total heat transfer area of ... in a single effect is much lower than that in any effect in a multi-effect system

Last Answer : (B) Total amount of vapor produced per Kg of feed steam in a multiple effect system is much higher than in a single effect

Description : Pick out the wrong statement: (A) The capacity of an evaporator is reduced by the boiling point elevation (B) Corrosive liquid is normally passed through the tubes in a ... recompression evaporator (D) Heat sensitive materials should be concentrated in high pressure evaporators

Last Answer : (D) Heat sensitive materials should be concentrated in high pressure evaporators

Description : Use of water as a manometric liquid suffers from the disadvantage of its (A) Low vapour pressure (B) Corrosive nature (C) High vapour pressure (D) High boiling point

Last Answer : (C) High vapour pressure

Description : Boiling point of water gets lowered at high altitudes (e.g., hills), because (A) Temperature is low (B) Atmospheric pressure is low (C) Atmospheric pressure is high (D) None of these

Last Answer : Option B

Description : The boiling point of water decreases at higher altitudes is due to (1) low temperature (2) low atmospheric pressure (3) high temprature (4) high atmospheric pressure

Last Answer : low atmospheric pressure

Description : Water is not suitable as a calorimetric substance because it : (1) has high specific heat (2) is a good conductor (3) has high boiling point (4) low latent heat of vapourization

Last Answer : has high specific heat

Description : Water is used in car radiator because of its (1) low density (2) easy availability (3) high specific heat capacity (4) low boiling point

Last Answer : high specific heat capacity

Description : If boiling water is poured into a thick drinking glass as well as a very thin wine glass, of the two, which is more likely to crack? -Riddles

Last Answer : The thick glass is more likely to crack since glass is a poor conductor of heat. In a thin glass, the heat passes more quickly from the glass into the surrounding air, causing the glass to expand ... but the outer surface does not. It is this extreme stress on the glass that causes it to crack.

Description : Eyes are rising , what can be done to get better soon ? Boiling in the eyes and water coming. It hurts a lot when it tastes good..and the water flowing from the eyes dries up very quickly and the eyes ... sticky..what will be better if you do it, please tell me a little bit, it is very difficult. .

Last Answer : Brother, please do not neglect this matter of eyes. First see a doctor in the medicine department and give eye drops and palsy. Do not stay up late. Do not close your eyes.

Description : Flash distillation is suitable for separating the constituents of a binary system, which (A) Form minimum boiling azeotrope (B) Have very wide boiling points (C) Have very close boiling points (D) Form constant boiling azeotrope

Last Answer : (B) Have very wide boiling points

Description : Flash distillation is suitable for the separation of components (A) Having very close boiling points (B) Which form maximum boiling azeotrope (C) Having very wide boiling points (D) Which form minimum boiling azeotrope

Last Answer : (C) Having very wide boiling points

Description : To remove very fine suspended particles from water, the method adopted is  (A) Screening  (B) Sedimentation  (C) Boiling  (D) Filtration

Last Answer : To remove very fine suspended particles from water, the method adopted is  (A) Screening  (B) Sedimentation  (C) Boiling  (D) Filtration

Description : The noble gases have low boiling points because: w) their ionization potentials are very low x) only weak Van der Waals forces hold the atoms together y) they are produced by the fractional distillation of liquid air z) they have eight electrons in the outer shell

Last Answer : ANSWER: X -- ONLY WEAK VAN DER WAALS FORCES HOLD THE ATOMS TOGETHER

Description : What is the boiling point of petrol?

Last Answer : The boiling point of petrol is the temperature at which it changes from a liquid to a gas, and is typically between 30 and 225 degrees Celsius, depending on the specific composition of the fuel.

Description : What is the boiling point of petrol?

Last Answer : The boiling point of petrol ranges from around 40 to 205 degrees Celsius, depending on the specific type of petrol.

Description : Do you believe that America is reaching a boiling point?

Last Answer : Oh, it will someday get to that point, but not for a long while. People are too busy being pleasers of self and people pleasers (because it helps them more than those they are pleasing) that a whole lot of crap will have to jit that fan before a major tipping point is reached.

Description : Why does the temperature of a substance remain constant during its melting point or boiling point? -Maths 9th

Last Answer : The extra heat supplied to the boiling water is used in the vaporization of a liquid, which is known as the latent heat of vaporization. That's why the temperature of a substance remains constant during its melting or boiling.

Description : Why does the temperature of a substance remain constant during its melting point or boiling point? -Maths 9th

Last Answer : The temperature of a substance remains constant during melting and boiling points till the completion of melting and boiling. It is because substance makes use of latent heat of fusion ... between particles of liquid to change into vapours during boiling. Therefore, temperature remains constant.

Description : What is the boiling point of liquid Nitrogen ? -Chemistry

Last Answer : The boling point of liquid nitrogen is -195 degree C.

Description : Which petroleum refinery product has the lowest boiling point? -General Knowledge

Last Answer : The answer is 'Gasoline'

Description : With rise of boiling point of a water, what will be the latent heat of steam? -Do You Know?

Last Answer : answer:

Description : Which petroleum refinery product has the lowest boiling point? -Do You Know?

Last Answer : answer:

Description : Which petroleum refinery product has the lowest boiling point? -General Knowledge

Last Answer : answer:

Description : Which petroleum refinery product has the lowest boiling point? -General Knowledge

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Description : What's the boiling point of ink?

Last Answer : The boiling point of ink varies as the ink. And there are manyvarieties of ink.

Description : What is the boiling point of titanium ?

Last Answer : Titanium has a boiling point of 3277 degrees Celsius.

Description : Who has the highest boiling point in HBr & HCl and why ?

Last Answer : answer:

Description : What is the boiling point of scandium ?

Last Answer : Scandium has a boiling point of 2831 degrees Celsius.