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Question

State whether following statements are True or False.
(a) Generally, non-metals react with acids.
(b) Sodium is a very reactive metal.
(c) Copper displaces zinc from zinc sulphate solution.
(d) Coal can be drawn into wires.

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Solution

a) Generally, non-metals react with acid False
b) Sodium is a very reactive metal True
c) Copper displace zinc from zinc sulphate solution False
d) Coal can be drawn into wire False.
Note:
(a) Metals react with acid because metals are Eierro positive, metals can give e to hydrogen gas while non-metals not
(c) Zinc is more reactive metal and Hence it displaces copper from copper sulphate solution.
(d) Coal is a non-metals and that is why it is not ductile in nature.

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