Sec 1 G1 - Chp 6 Matter

What are the three states of matter?

• solid

• liquid

• mucus

• gas

The process in which a solid changes into a liquid is called

• boiling

• melting

• condensation

• freezing

The process in which a liquid changes into gas at any temperature is called

• boiling

• evaporation

• condensation

• freezing

The process in which a liquid changes into a solid is called

• condensation

• boiling

• freezing

• melting

Which processes require the substance to gain heat?

• freezing

• condensation

• boiling

• melting

Which of the following is/are true about density?

• The mass of matter in a unit volume of the substance.

• A unit of density is g/cm³.

• Solids are denser than liquids.

• Oil floats on water because it has a higher density than water.

In the salt solution, the salt is called the _____________ and water is called the solvent.

Which is not true about the properties of a solution?

• if we leave a solution to stand, dissolved particles settle to the bottom.

• A solution looks clear.

• Light can pass through the solution.

• A solution will not leave any solid particles on a piece of filter paper when it is passed through the filter paper.

What substances water cannot dissolve?

• Detergent

• Sugar

• Salt

• Iodine

The solubility of a solute is measured by the maximum amount of _______ that can dissolve in a given amount of solvent at a given temperature.