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4. Atomic number of metal "A" is 11, while atomic number of metal "B is 20.Which of them will be more reactive? Write the chemical reaction of dilute HCwith metal "A

Answer»

sodium is more reactivate

Sodium metal gives sodium chloride and hydrogengaswhen react with dilute hydrochloric acid. Reaction of potassium with dilute sulphuric acid: Potassium sulphate and hydrogengasare formed when potassium reacts with dilute sulphuric acid.

2Na + 2HCl ⇨ 2NaCl + H2

brilliant

what is the atomic mass of aluminium

yours answer is correct



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