Question

if i drop some iron nails in vinegar solution(acid) small bubbles were formed over the nail . which gas is formed​

Answer 1

Answer:

hy

Explanation:

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Those are bubbles are hydrogen gas produced when the vinegar (also known as acetic acid) reacted with the iron in the nails. Remove the nails and let dry.

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Answer 2

Answer:

hydrogen gas is formed when iron nails mix with vinegar