Arrange solids, liquids and gases in order of increasing compressibility-
Gases < Liquids < Solids
Solids < Gases< Liquids
Solids < Liquids < Gases
Liquids < Gases <Solids
Arrange the following substances in the increasing order of intermolecular forces of attraction water, sugar and oxygen.
oxygen < water < sugar.
oxygen < water <sugar
oxygen <sugar< water
None of these
Which of the following are not matter ?
Book
Smell of perfumes
Thought
Bread
Name the state of matter that has definite mass, volume and shape-
liquid
gas
solid
Liquid and solid
According to ancient philosopher matter consists of-
Three costituents
Four costituents
Five costituents
Six costituents
Evaporation is
Conversion of liquid into vapour state at any temperature below the boiling point of the liquid
Conversion of solid into vapour state at any temperature below the boiling point of the liquid
Conversion of liquid into vapour state at the boiling point of the liquid
None of these
Which of the following phenomena would increase on raising the temperature?
Diffusion, evaporation, compression of gases
Evaporation, compression of gases, solubility
Evaporation, diffusion, expansion of gases
Evaporation, solubility, diffusion, compression of gases
Seema visited a Natural Gas Compressing unit and found that the gas can be liquefied under specific conditions of temperature and pressure. While sharing her experience with friends she got confused. Help her to identify the correct set of conditions.
Low temperature, low pressure
High temperature, low pressure
Low temperature, high pressure
High temperature, high pressure
During summer, water kept in an earthen pot becomes cool because of the phenomenon of
diffusion
transpiration
osmosis
evaporation
Choose the correct statement from the following:
Conversion of solid into vapour without passing through the liquid state is called vapourisation.
Conversion of vapour into solid without passing through the liquid state is called sublimation.
Conversion of vapour into solid without passing through the liquid state is called freezing.
Conversion of solid into liquid is called sublimation.
Which condition out of the following will increase the evaporation of water?
Less exposed surface area of water
Adding common salt to water
Increase in temperature of water
Decrease in temperature of water
The boiling point of water at sea level is
0°C
273 K
373 K
273°C
Which of the following is not correct regarding gases?
Gases exert pressure
Gases are more compressible than liquids
Gases have very weak tendency to diffuse
Gases have weak intermolecular forces of attraction
Which of the following statements is not correct ?
Steam produces more severe burns on the skin than the boiling water
Water at room temperature is a liquid.
Ice at 273 K causes less cooling than water at the same temperature.
We can sip hot tea from a saucer faster than from a cup.
Which of the following state has maximum energy or more severe ?
ice
water
steam
all have same energy
The body tempreture of a normal and healthy person is
397K
water
steam
all have same energy
Mercury is generally used in glass thermometers because-
It can be easily seen
It does not stick to glass
It remains in the liquid state over wide tempreture range
All are correct
Dry ice is-
water in solid state
water in gaseous state
CO2 in liquid state
CO2 in solid state
At what temperature, the Fahrenheit and Celsius scales have the same reading ?
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