3
AssignmentMultiple Choice

Reaction Rate

Question 3 • CR SS Chemistry S2 2018/19 2026

The use of thermite for welding produces an exothermic reaction: Which action would increase the rate of reaction?

Question illustration
Answer
A
heating the reactants prior to mixing
B
adding water to the solution
C
grinding the reactants into finer grains
D
increasing the pressure on the system