Question

We can test the presence of an acid in a substance by performing the ______________
test.
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Answer 1

Answer:

litmus

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Answer 2

Answer:

i)Test with litmus paper: Place a drop of the given substance on a moist litmus paper. If the colour changes to red, it is an acid.

ii) Test with metals: Acids react with metals to produce salt and hydrogen gas. So if the given substance gives a gas with metals and the gas burns with explosion, then it is acid.

Explanation:

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