Question

-4(iv) are based on the table given below. Study these table relate
For Q.Nos. 4(1)-4
answer the questions that follow :
Substance
pH
Colour shown by universal indicator
1.
A
6.5
Greenish yellow
2.
B
10.5
Navy blue
3.
с
0
Dark red
4.
D
8.5
Greenish blue
E
4.0
5.
Orange
Inswer the questions giving examples in each case.
4.(i) Which substance may be used as a preservative?
4. (ii) Which substance may be used in antacids?
4. (iii) Which substance may be used in cakes to make them fluffy?
(a) D
(c) C
(b) A
(d) B
4. (iv) Which substance is a strong acid?
(a)C
(b) A​

Answer 1

Answer:

good night bro take care have a good sleep and sweet dreams

Explanation:

good night bro take care have a good sleep and sweet dreams