What is called the temperature at which the vapour pressure of a liquid becomes equal to atmosphere pressure

Boiling point

what is freezing

The process of changing a liquid into a solid by cooling is called freezing

What is fusion

 The process of turning solid into liquid is called as fusion

What is condensation

The process of cooling vapour is called as condensation

What is evaporation

 The process of conversion of liquid into vapour at temperature below boiling point is called as evaporation

What unit of pressure exerted by a gas

 Atmosphere ATM

What is sublimation

The pressure in which a solid is converted into gas without passing though liquid state and vice versa is called as sublimation

What is latent heat of melting

 The heat energy required to convert 1 kg of solid at atmospheric pressure is called as Latin heat of melting

What is boiling point

The temperature on which a liquid boys is called as boiling point

What is melting point

The temperature on which a solid melts into liquid is called as melting point

What change occurs when temperature of a solid is raised

 Kinetic energy increases

What is SI unit of pressure

 Pascal

What is unit of density

 Kilogram per cubic metre

What is unit of volume

Cubic metre

What is the unit of weight

 Newton N

what is the unit of mass

Kilogram kg

What is the SI unit of Temperature

 Kelvin k

One example of of diffusion in gases

Spreading of smell of scent in air

Full form of CNG

 Compressed natural gas

Full form of LPG

 Liquefied Petroleum gas

Which out of solid liquid and gas is most compressible

 Gas

Which out of solid liquid and gas as particles have maximum motion

 Gas

Name a metal which can be sublimated

Ammonium chloride

What is the boiling point of water

100°c

What is the melting point of ice

0°C or 273 K

In which state is the energy of molecules shortest

 Solid

in which state is the energy of molecules maximum

Gas

What is the chemical name of dry ice

 Sodium carbon dioxide

Which is first diffusing liquid or gas

 Gas

Name a gas which is supplied to hospital is compressed from

Oxygen O2

In which state of matter the intermolecular force is strongest

 Solid

What is density

The mass of unit volume of any things is called density
Density=Mass/Volume

What is diffusion

 Mixing of particles of two different substance automatically is called as diffusion

What is compression

There are sufficient vacant space among particles of liquid and gas due to which these can be compressed this property is called as compression

Define gas

Do substance which don't have definite shape and volume are called as gas example oxygen carbon dioxide nitrogen ammonia

Define liquid

Matter that don't have definite shapes are called as liquids example while milk petrol Mercury

Define solid

Matter which has definite shape and volume is called as solid example wood stone iron

Define substance

A substance is a type of matter which cannot be divided in other types of matter for example sugar is substance

What are three stage of matter

There are three States of matter solid liquid and gas

What are three stage of matter

There are three States of matter solid liquid and gas

Define matter

 Everything which has mass and which occupies space is called as matter Iron stone soil cloud plants and animal etc are matter or they contain matter