Question

nimnalikhit vakyo me se kisi ek vakya me praukta karak chinha pahachankar uske bhed likhiy 1.me gavarnes ko tin rubal geta hu​

Answer 1

Explanation:

Indicators are those substances which tell us whether a substance is acidic or basic by change in colour. For e.g., litmus solution.

• Olfactory indicators: Those substances whose odour changes in acidic or basic media are called lfactory indicators. For e.g., clove, vanilla, onion.