Question

solve the following questions​

Answer 1

Heya!!

Here is your answer

A will be more reactive than B because A can loose 1 electron easily .

A is sodium(Na)

reaction of A with HCl

Na + HCl-------> NaCl + H2

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Answer 2

Metal A(sodium) which is more reactive than metal B (calcium)

chemical reaction of metal A with dilute HCl is :-

2HCl (dilute) + 2Na------2NaCl + H2

hope you understand.