Q17 of 28 Page 2

Why do we use Zinc granules for the test in the lab?

Zinc granules have increased surface area so that reaction occurs fast.


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If a wet blue litmus paper is brought closer to dry HCl gas, what changes will you observe and Why?

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Why does lime water turn milky when CO2 gas is passed through it?

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Why do metal displace hydrogen from dilute acids?

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Do all metals displace hydrogen gas from dilute acids?