Question

Tick (/) the correct answer:
1.
The substances having sour taste grouped together are called :
(a) Salt
(c) Acids
(b) Bases
(d) None of these
2.
Hydrochloric acids are used for :
(a)
cleaning tiles, toilet etc.
(c)
In textile Industry for dyeing
(b) Preparation of chlorides and chlorine gas
(d) All of these
3.
Nitric acid is used for :
(a)
Cleaning tiles, toilet etc
In textile Industry for dyeing
(b) Preparation of chlorides are chlorine gas
(d) In the refining of gold and silver
4.
Oxides and hydroxides of sodium and potassium are :
(a) Strong bases
D (b) weak bases
(c)
Both (a) and (b)
(d) None of these
​

Answer 1

Answer:

1. Acids.

2.cleaning tiles , toilet etc.

3. In textile industries for dyeing.

4.Both (a) and (b).

Explanation:

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Answer 2

1. (C) ACIDS

2. (A) CLEANING TILES, TOILETS,ETC

3. (D) IN REFINING OF GOLD AND SILVER

4. (A) STRONG BASE