What are indicators ? write the colour of the following indicators in acidic and basic medium :- (a) litmus (b) phenolphthalein (c) methyl orange (d) turmeric

What are indicators ? write the colour of the following indicators in

1.	What are indicators ? write the colour of the following indicators in acidic and basic medium :- (a) litmus (b) phenolphthalein (c) methyl orange (d) turmeric
Answer» tion:indicators are the SUBSTANCES used to DETERMINE which substance is ACIDIC or which is basic UN narture(a)acidic-turns red basic-turns BLUE(b)acidic-remsin colourless basic-turns pink(c)acidic-turns red basic-turns yellow(d)acidic-remains yellow basic-turns red