Question

1. Name the acids present in the following:
(a) unripe green apples
(b) vinegar
(c) tea
(d) sour milk
(e) orange juice
2. What is an indicator?
3. Give the names of any two natural indicators.
4. Give the colour change of the following indicators
with acids and bases:
(a) blue litmus paper
(b) phenolphthalein
5. Should we use taste as a method of testing
whether a substance is an acid or a base?​

Answer 1

Answer:

vinegar

Explanation:

Ascorbic. acid is present in lemon and acetic acid is present in vinger

Answer 2

Answer:

1) vinegar

5

3)lemon,turmeric