EduNinja
[Maximum number: 1]

In which reaction is the rate of reaction not affected by light?

A

the conversion of carbon dioxide and water to glucose and oxygen in green plants

B

the reaction of bromine with ethene

C

the reaction of chlorine with methane

D

the reduction of silver ions to silver

[Maximum number: 1]

Calcium carbonate reacts with dilute hydrochloric acid to form bubbles of carbon dioxide.
At a higher temperature, the same reaction is faster.
Which row explains this observation?

collision rate

number of molecules with
sufficient energy to react

increases

more

increases

the same

stays the same

more

stays the same

the same

0