What are indicators,write about their different types?
Answers
Answer:
Explanation:
INDICATORS
===========
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
________________
lndicators derived from natural sources are called natural indicators.
eg:- Litmus , red cabbage , turmeric , china rose petals etc..
● Synthetic indicators
_________________
lndicators prepared in laboratary are callwd synthetic indicators.
eg:- Phenophtaline , methyl orange etc..
● Olfactory indicators
_________________
lndicators which give different odours in acidic and basic medium.
eg:-Onion , vanila essence etc..
MARK AS BRAINLIST