Question Detail

What is a mixture of potassium nitrate powdered charcoal and sulphur called?

paint
aluminium
brass
gun powder

Answer: Option D

Explanation:

gun powder is the mixture of potassium nitrate powdered charcoal and sulphur.

Similar Questions :

1. Which metal is heaviest ?

osmium
mercury
iron
nickle

Answer: Option A

2. Oxides of metals are alkaline.

TRUE
FALSE

Answer: Option A

3. The metallurgical process in which a metal is obtained in a fused state is called ?

roasting
calcinations
smelting
froth floatation

Answer: Option C

4. The major component used in preparation of different types of glasses is :

Sodium borate
Sodium silicate
Silica
Calcium silicate

Answer: Option C

5. pH of water is

5
6
7
8

Answer: Option C

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