Question

(d)
2. All bases contain the
(a) oxygen group
(b) hydroxyl group
(c) nitrogen group
(d) chlorine group
3. Which one of these is not a natural indicator?
(a) China rose
(b) Litmus
(c) Turmeric
4. Which solution will change red litmus paper to blue?
(a) Acid solution (b) Base solution (c) Soap solution
5. Name the strong acid from the following:
(a) Sulphuric acid
(b) Acetic acid
(c) Tartaric acid
(d) Citric acid
​

Answer 1

1. Hydroxyl groups
2. China rose
3. Acid solution
4. Acetic acid

Here is your answer !!

Answer 2

Answer:

1.b)hydroxl group..

2.a)china rose..

3.b) base solution

4.a)sulphuric acid...

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