Matter

The process by which ice block changes into water is known as?

• Boiling

• Condensing

• Freezing

• Melting

• Sublimation

The temperature at which a liquid changes freely into vapor is called its ........... Point

• Boiling

• Cooling

• Freezing

• Melting

The following are examples of matter except?

• Air

• light

• Sand

• Torch

Water in the atmosphere exists in the form of?

• Cloud

• Moisture

• Rain

• Vapour

Which state of matter has no definition volume and shape

• Gas only

• liquid only

• Liquid and gas

• Solid only

Matter exists in three states namely?

• Atom, gas and liquid

• Electron, proton and neutrons

• solid, liquid and gas

• particles, protons and neutron

The process by which liquids changes to solid is called

• Boiling

• Condensing

• freezing

• Melting

The change of state of a solid directly to the gaseous state is known as?

• Vapourizing

• Condensing

• Sublimation

• Evapouration

The following solids or crystals sublime except?

• Ammonia

• Iodine

• Ammonium chloride

• Naphthalene

• Sulphur

How Well particles stick together depends on the following except the?

• Material

• Temperature

• pressure

• ease