Quote from Zawed on Sun, July 11, 2021, 6:04 am
The substances which indicate the acidic, basic or neutral nature of the solution by changing their colour or odour when added to the solution, are called indicators.
Eg Phenolphthaline is colourless in acidic as well as in neutral medium and pink in basic medium.
Olfactory indicator: The substance which have different characteristics smell in acidic or Basic medium is called olfactory indicator.
Eg Onion, vanilla, clove oil.
https://pecmentor.com/
The substances which indicate the acidic, basic or neutral nature of the solution by changing their colour or odour when added to the solution, are called indicators.
Eg Phenolphthaline is colourless in acidic as well as in neutral medium and pink in basic medium.
Olfactory indicator: The substance which have different characteristics smell in acidic or Basic medium is called olfactory indicator.
Eg Onion, vanilla, clove oil.
https://pecmentor.com/
