Question

3.
Name three substances that we use as
indicators.​

Answer 1

Answer:

Natural Indicator is a type of indicator that can be found naturally and can determine whether the substance is an acidic substance or a basic substance. Some examples of natural indicators are red cabbage, turmeric, grape juice, turnip skin, curry powder, cherries, beetroots, onion, tomato, etc.

Answer 2

Answer:

for acid base indicators(colour)

1. litmus paper

2. phenophthalene

3. methyl orange

olfactory indicators(smell):

1. onion

2.clove.

3. vanilla