Chemistry, asked by Aman456digal, 11 months ago

Answers plzzzz. Answer the following plzzz

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Answered by SahilVPPG

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a)a substance that changes to different colours according to whether another substance that touches it is an acid or an alkali is known as universal indicator .It is use to test strength of acid or base.

b)sol A is base and B is acid . Sol A will have higher pH.

c)NaSO3 has pH higher than 7 NH4Cl has pH less than 7.

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