Question

equations
i) Steam is passed over red-hot iron
ii) Aluminium oxide reacts with sodium hydroxide
b) State the role of nitric acid in the following equation
Zn + concentrated HNO3 → Zn(NO3)2 + H2O + NO2
c) Define reactivity series. Study the following reactions and arrange the metals A,
the basis of increasing reactivity.
A + BC = AC + B
D + AC → no reaction
D + BC → DC + B
PT II /2020-21/ Science/ Class-X/Page 3 of 4​

Answer 1

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Answer 2

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