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Question

A base turns litmus solution .

A
red
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B
green
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C
yellow
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D
blue
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Solution

The correct options are
A red
D blue
Litmus is an acid-base indicator that helps to distinguish if a substance is an acid or a base.
An acidic solution turns blue litmus red. For acids, pH values lie between 0 and 7.
A basic solution turns red litmus blue. For bases, pH values lie between 7 and 14.

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