Science Sem.2 Exam - Industrial Chemistry

Question 1

Reaction Rate

Answer 1

The rate of a chemical reaction is a measure of the amount of reactant converted into products PER UNIT TIME.

Question 2

Particle theory (two conditions)

Answer 2

1. Particles must collide.
2. When the particles collide, they need to collide with enough energy.

Question 3

Catalysts

Answer 3

A catalyst is a chemical substance that increases or decreases the rate of a reaction, without being changed or used up itself or changing the end products.