Question

Q1. What is an indicator ? Name any two indicators.​

Answer 1

Explanation:

Indicator is any substance that gives a visible sign, usually by a colour change, of the presence or absence of a these hold concentration of a chemical species, such as an acid or an alkali in a solution. Two indicators are litmus and turmeric.

An indicator is a substance that changes its colour in acidic and basic medium.An indicator shows one colour in acidic medium and different colour in basic medium so that they are called indicators. eg:-Litmus , turmeric. _______________________________ There are 3 types of indicators》》 ● Natural lndicators

Answer 2

Answer:

→ An indicator is a substance that changes its colour in acidic and basic medium.

→ An indicator shows one colour in acidic medium and different colour in basic medium so that they are called indicators.