Chemistry, asked by RonishRajDutta, 2 months ago

Give Reason. Class 9. Physics.

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Answered by subhrajyotikayal1

Explanation:

(v )=metal are positive ions because they have positive charges. (iii)=hydrogen is not collected by the downward displacement of air because the hydrogen gases come up because of lighter than air

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Give Reason. Class 9. Physics. ​

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Give Reason. Class 9. Physics.