Question

Acid - base indicators are dyed or mixtures of dyed which are used to indicate the presence of acids and bases .true or false​

Answer 1

Explanation:

natural indi cator -turmeric ,litmus

when blue litmus paper are dipped in acid it's colour changes blue to and when red litmus paper is dissolved in bases it changes to colour blue

synthetic indicator -phenophthaleb and methyl orange

Answer 2

Answer:

false

Explanation:

acid acid and base indicators are are not the the dice they are are obtained from the parasitic animal lichen and buy some vegetables also so so we cannot test the acid or base buy die we can come to know no 1 we are testing acid or base the indicators change their colour