Changes of Matter

Burning of wood is an example of ____________

• Physical change

• Chemical change

What do you mean by solvent?

• The substance that dissolves in.

• The substance in which the solute is being dissolved.

The sharpening of pencil is a physical change. What type of physical change is it?

• Irreversible change

• Reversible change

How are molecules arranged in liquid?

• They are orderly arranged and closely packed together.

• They are arranged randomly and loosely packed together.

• They are far apart from each other and moves in all the direction

Everything around us that has mass and volume is known as ________________

• Solid

• Physical change

• Chemical change

• Matter

What type of mixture is a fruit salad?

• Heterogenous mixture

• Homogenous solution

Which of the following is true?

• Coffee powder is soluble in hot water.

• Coffee powder is insoluble in hot water

What type of change is filling up of air in the balloon?

• Chemical change

• Physical change

Which process does the dry ice represent?

• Deposition

• Sublimation

• Freezing

• Melting

Which state of matter has fixed volume and shape?

• Gas

• Solid

• Liquid