Question

Please answer me this question ?????

Answer 1

Answer:

1) Option (A)

2) Option (D) H2O

3) Option (B) Ag (silver)

4) Option (B) Mercury, Since it lies above hydrogen in the activity series of metals and so it will displace hydrogen in HCL from its position.

Pb + HCL = PbCl2 + H2(gas)

5) Option (B) Because Al ( Aluminium ) is less reactive than Mg ( Magnesium ) and so it will not displace Mg. Therefore, the reaction will not take place.

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