Question

How will we know that a substance is a acidic in nature?​

Answer 1

Answer:

Heya❤️

By various indicators which either change their colour , smell or taste........

Answer 2

Answer:

We can know that if the pH level of the acid is below 7 as above seven bases are there

Also

we can tell by the change in litmus colour

Blue litmus paper turns red in Acidic solution

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Hope it helps