Reactions of metals with water
3 marks · EasyZinc is heated in steam according to the equation:
(a)[2 marks]
Name two products formed in this reaction.
(b)[1 mark]
State the colour of zinc oxide when it has just formed (hot).
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(a) Zinc oxide, hydrogen · must show Zinc oxide, Hydrogen
(b) Yellow · must show Yellow
Common mistakes: Not naming both products; incorrect colour.
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Marking points
B1 (a) · 1 mark · Names zinc oxide as a product.
B2 (a) · 1 mark · Names hydrogen as a product.
B1 (b) · 1 mark · Gives yellow as the colour of zinc oxide when hot.
Worked solution
a) The products are zinc oxide and hydrogen.
b) Zinc oxide is yellow when hot.