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 Form 3 Chemistry Sample Revision Questions With Answers

The nitrates of the following metals were heated strongly and observation made accordingly. The nitrate of metal P produced the metallic oxide, Nitrogen (IV) oxide and oxygen gas; and that of metal Q produced the metallic nitrite and oxygen gas. The nitrate of R produced metal R, nitrogen (IV) oxide and oxygen gas. Arrange the metals in order of reactivity beginning with the most reactive.

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Answer Text:
Q, P, R