MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Earn 100

Among potassium and sodium, which is more reactive? And what is your evidence?

Important Questions on The Behaviour of Metals

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Among copper and zinc, which is more reactive? And what is your evidence?
HARD
Upper Secondary: IGCSE
IMPORTANT

Which gas is always produced if a metal reacts with water, or dilute acid?

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Explain why the reaction of iron with hydrochloric acid is a redox reaction.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
In the reaction between carbon and lead(II) oxide, which substance is oxidised?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
What do you expect to happen when carbon powder is heated with calcium oxide?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
What do you expect to happen when carbon powder is heated with zinc oxide?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Give the word equation when carbon powder is heated with calcium oxide.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
When chromium(III) oxide is heated with powdered aluminium, chromium and aluminium oxide form. Which is more reactive, chromium or aluminium?