Chemical Reactions Quiz

Chemical reactions only occur in living organisms.

Chemical reactions always produce heat.

Chemical reactions can only happen at high temperatures.

Chemical reactions involve the formation of new substances. (correct)

The substance that is formed as a result of the reaction.

The substance that remains unchanged during the reaction.

The substance that is consumed during the reaction. (correct)

The substance that speeds up the reaction.

To increase the temperature at which the reaction occurs.

To speed up the rate of the reaction without being consumed. (correct)

To slow down the rate of the reaction.

To provide energy for the reaction.