EASY
Lower Secondary Stage 9
IMPORTANT
Earn 100

State and explain how increasing the temperature affects the rate of reaction.

Important Questions on Reactivity and Rates of Reaction

EASY
Lower Secondary Stage 9
IMPORTANT
State and explain how increasing the concentration of the reactant affects the rate of a chemical reaction.
EASY
Lower Secondary Stage 9
IMPORTANT
State and explain how decreasing the size of pieces of a solid reactant affects the rate of a chemical reaction. 
EASY
Lower Secondary Stage 9
IMPORTANT
In what way does adding a catalyst affect the rate of a reaction?
EASY
Lower Secondary Stage 9
IMPORTANT
How could you tell that manganese dioxide is a catalyst and does not react with hydrogen peroxide ?
EASY
Lower Secondary Stage 9
IMPORTANT
Why might it be important to use a catalyst if you were a chemist working in industry?
EASY
Lower Secondary Stage 9
IMPORTANT
Which one of these metals will react quickly with cold water?
EASY
Lower Secondary Stage 9
IMPORTANT
What would you expect to see happen if zinc was put into copper sulphate solution?
EASY
Lower Secondary Stage 9
IMPORTANT
Write the word equation for the reaction between zinc and iron sulphate.