ICP Unit 5 Chemical Reactions

Front

What color does litmus paper turn when testing a base?

Back

Blue

Front

What do acids produce when dissolved in water?

Back

Hydrogen ions (H+)

Front

Which process is always exothermic?

Back

Burning

Front

What is evidence of a chemical reaction?

Back

A new substance has formed.

Front

According to the Arrhenius model, what ions indicate a compound is an acid?

Back

H+ (hydrogen ions)

Front

What is a chemical reaction?

Back

A process where substances (reactants) transform into new substances (products).

Front

What is the pH scale used for?

Back

To measure the acidity or basicity of a solution.

Front

What is an exothermic reaction?

Back

A reaction that releases energy, usually in the form of heat.

Front

What is an endothermic reaction?

Back

A reaction that absorbs energy from its surroundings.

Front

What is a catalyst?

Back

A substance that speeds up a chemical reaction without being consumed.