EASY
Upper Secondary: IGCSE
IMPORTANT
Earn 100

Name the waste gases from the blast furnace.

Important Questions on Making Use of Metals

EASY
Upper Secondary: IGCSE
IMPORTANT
The calcium carbonate in the blast furnace helps to purify the iron. Explain how, with an equation.
EASY
Upper Secondary: IGCSE
IMPORTANT
The slag and waste gases are both useful. How?
EASY
Upper Secondary: IGCSE
IMPORTANT
Which compounds are used in the extraction of aluminium? Say what role each plays.
EASY
Upper Secondary: IGCSE
IMPORTANT
Sketch the electrolysis cell for extracting aluminium.
EASY
Upper Secondary: IGCSE
IMPORTANT
Why do the aluminium ions move to the cathode?
EASY
Upper Secondary: IGCSE
IMPORTANT
What happens at the cathode? Give an equation.
EASY
Upper Secondary: IGCSE
IMPORTANT
The anode is replaced regularly. Why?
EASY
Upper Secondary: IGCSE
IMPORTANT

These terms all describe properties of aluminium. Say what each term means.

a. Malleable.