Question

what do metals displace from acids when they react with them?
(i) oxygen
(ii) hydrogen
(iii) chlorine
(iv) sulphur dioxide​

Answer 1

Answer:option c is the answer ⇒hydrogen

Explanation:Hydrogen is displaced by the metals from acids that are placed above hydrogen in the reactivity series of the metals.hope it helps you

Answer 2

Answer:

(ii) hydrogen

Explanation:

All acids contain an element  - hydrogen

eg. HNO3, HCL etc.

since in the reactivity series, most metals are above hydrogen and so displacement reaction takes place and hydrogen is displaced by most metals

Hope it helps!