Matter in our surroundings - chemistry grade 9

Latent heat of fusion is between solids and _________.

Freezing point of water is _____

What eventually happens to a gas if its pressure is increased and temperature increases?

• Sublimation

• Condensation

• Liquefication

• Melting

The states of matter having no definite shape but definite volume:

• Gas

• Water

• Solid

• All of the above

• None of the above

Evaporation causes -

• Melting

• Cooling

• Sublimation

• None of the above

• All of the above

Diffusion is from low concentration to high concentration.

• TRUE

• FALSE

• not applicable

Sponge though being a solid can be compressed. Why?

• It is a gas so it can be compressed.

• A sponge cannot be compressed

• A sponge is not a solid

• It is an exception, being a solid it is compressible

Increase in wind speed results in increase of water vapor.

• TRUE

• FALSE

More exposed surface area results in more _______

100° Celsius is the _______ point of water.