Science Quiz 34

I. Diamond. 
II. Hydrofluoric acid.
III. Aqua Regia. 
IV. Cone, sulphuric acid.

List I

1. Potassium bromide

II.Potassium nitrate

III. Potassium sulphate

1. Mono-potassium tartarate

List II

1. A) Fertiliser
2. B) Photography
3. C) Bakery
4. D) Gunpowder

I. Act as a reducing agent. 
II. Remove silica associated with the iron ore.
III. Function as fuel, to supply heat. 
IV. Act as an oxidizing agent.

I. It is used in welding industry. 
II. It is raw material for preparing plastics. 
III. It is easily obtained by mixing silicon carbide and water.
Choose the correct option.

List I

1. Blue vitriol
2. Epsom salt

III. Baking soda

1. Caustic soda

List II

1. A) Sodium bicarbonate
2. B) Sodium hydroxide
3. C) Magnesium sulphate
4. D) Copper sulphate