Question # 1

Which one of the following is not a fraction of petroleum?

Choose an answer

Kerosene oil

Diesel oil

Alcohol

Petrol

Concentration is a .

Choose an answer

Mixing technique

Separating technique

Boiling technique

cooling technique

The nitrogen present in urea is used by plants to synthesize.

Choose an answer

Sugar

Proteins

Fats

DNA

Bister copper is pure about;

Choose an answer

70%

80%

90%

98%

Process of heating the concentrated ore to high temperature in excess of air is called.

Choose an answer

Roasting

Smelting

Bessemerization

All

Ammonia is prepared by the process .

Choose an answer

Ostwald

Haber

Clark

All

Formula of soda ash is.

Choose an answer

Na₂CO₃

NaHCO₃

Na₂SO₄

Na₃PO₄

Concentration of the copper ore is carried out by:

Choose an answer

Calcinations

Roasting

Forth flotation

Distillation

Which one of the following is used as jet fuel.

Choose an answer

Kerosene oil

Lubricating oil

Fuel oil

Diesel oil

More Classes

Other Links

Chemistry 10th Class English Medium Unit 16 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer