B4 Practice

Front

What are the two main components of a solution?

Back

Solutes and solvents.

Front

What process causes the colored globs in a decorative lamp to rise?

Back

Convection.

Front

How many oxygen atoms are present in the compound Al₂(SO₄)₃?

Back

12.

Front

How many hydrogen atoms are in the compound 3(NH₄)₂CrO₄?

Back

24.

Front

What type of change occurs when a glass bottle shatters?

Back

Physical Change.

Front

Define 'solute'.

Back

A solute is a substance that is dissolved in a solvent to form a solution.

Front

Define 'solvent'.

Back

A solvent is a substance that dissolves a solute, resulting in a solution.

Front

What is convection?

Back

Convection is the transfer of heat through the movement of fluids (liquids or gases).

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is a chemical change?

Back

A chemical change is a change that results in the formation of new chemical substances.