States of Matter

Matter is made up of ____ and _____.

• solids and liquids

• atoms and molecules

• living and non-living things

• liquids and gases

_____ can turn directly into a vapour from solid state.

• 
• 
• 
• 

Look at the picture and identify the solute and solvent.

• solute : water, solvent : white powder

• solute : white powder, solvent : water

• solute : water, solvent : water

• solute : white powder, solvent : white powder

The process of ______ is when a liquid changes into a solid upon cooling.

• melting

• boiling

• freezing

• condensation

The force of attraction between molecules of gas is ______.

• moderate

• strong

• very strong

• very weak

Ravi was blindfolded. He touched something that felt heavy, had a fixed shape and occupied fixed space. Ravi declared it to be a _____ .

• solid

• liquid

• gas

• charged particle

Identify the incorrect statement:

• Solids have fixed shape and fixed volume.

• Gases have fixed shape but not a fixed volume

• Liquids do not have a fixed shape but have fixed volume

• Gases have no fixed shape and no fixed volume.

Arrange the following substances in the increasing order of intermolecular forces of attraction:

• Water vapour, oil, wood

• Water vapour, wood, oil

• Oil, water vapour, wood

• Wood, oil, water vapour

A _____ is dissolved in a solvent to form a solution.

• solvent

• solute

• solution

• liquid

Match the following:

• [A-ii, B-iii, C-iv, D-i]

• A-iv, B-iii, C-ii, D-i]

• [A-iv, B-iii, c-i, D-ii]

• [A-iii, B-ii, C-iv, D-i]