Question

Iron, nickel, copper, and silver metals were taken in different test tubes and dilute hydrochloric acid was
added to each of them. In which of these are you likely to observe gas bubbles? Explain the reactions.​

Answer 1

Answer:

In the test tube having iron we will observe gas bubbles because of release of h2 gas but in rest of them although they are less reactive then hydrogen they will not release any gas.

Fe+2Hcl --->Fecl2 +h2.

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Answer 2

Answer:

In test tube having iron we will observe gas bubbles because of release of h2 gas but in rest of them although they are less reactive then hydrogen they will not release any gas.