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 Form 3 Chemistry Paper 1 Sample Revision Questions With Answers

Solid P was strongly heated. A yellow solid when cold, a brown gas and a colorless gas that relights a glowing splint were formed.
a).Identify
i).Solid P
ii).Yellow Solid
b).Write a balanced chemical equation for the reaction that takes place on heating solid p.

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Answer Text:
a).i).Lead (II) nitrate.
ii).Lead (II) Oxide
b).#2Pb(NO_3)_(2(s)) (heat) ->2PbO(S) + 4NO_(2(g)) + O_(2(g))#


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