the revision quiz for rate of reaction

Question 1

What does the rate of reaction tell us?

Answer 1

The speed a product is formed

Question 2

4 main factors that can change the rate of reaction?

Answer 2

1. temperature
2. concentration
3. particle size
4. catalyst use

Question 3

why is rate of reaction important to industries?

Answer 3

finding out how fast products are made and what causes them to slow down we can develop methods to improve production

Question 4

What effect does increasing temperature have on the rate of reaction?

Answer 4

if the temperature is higher, the rate of reaction is faster

Question 5

What effect does increasing concentration have on the rate of reaction?

Answer 5

There are more reactant particles moving together. There will be more collisions and so the reaction rate is increased.

Question 6

What effect does increasing the surface area (reducing particle size) of reactants have on the rate of reaction?

Answer 6

The smaller the particle size/the larger the faster the reaction.

Question 7

What effect does adding a catalyst have on the rate of reaction?

Answer 7

A catalyst is a substance that can be added to a reaction to increase the reaction rate without getting consumed in the process.

Question 8

sodium chloride solution, zine, copper, connecting wires and voltmeter experiment?

Answer 8

a homemade battery

Question 9

what is the purpose of sodium chloride solution?

Answer 9

preserve food materials in distance transportation and also de-icing of road

Question 10

what is the function of a salt bridge?

Answer 10

help maintain electrical neutrality within the internal circuit.