Question

What is a substance that changes colour in the
presence of acid and base?​

Answer 1

Answer:

An indicator

Explanation:

These substances are of various types, states and show different changes in their colour on reacting with the specific and different compounds.

Answer 2

$\huge\boxed{\fcolorbox{black}{pink}{HELLO!}}$

Indicator is the substance that changes colour in the presence of acid and base.

Mark as brainliest ☁❤