Question # 1

Froth flotation process is used to concentrate.

Choose an answer

Copper ore

Iron ore

Chromium ore

Aluminum ore

Red hair contains compound of.

Choose an answer

Iron

copper

titanium

Molybdenum

Froth flotation process is used to concentrate the ore on:

Choose an answer

Density basis

Concentration basis

Wetting basis

Magnetic basis

Which one is not the fraction of residual oil?

Choose an answer

Paraffin wax

Asphalt

Fuel oil

Coke

Ammonia is prepared by:

Choose an answer

Solvay's process

Haber's process

Floatation process

Bayer's process

A saturated solution of sodium chloride is called.

Choose an answer

Brine

Suspension

Colloidal

None of these

Manufacturing of urea involves:

Choose an answer

2 steps

3 steps

4 steps

5 steps

Concentration is a .

Choose an answer

Mixing technique

Separating technique

Boiling technique

cooling technique

Composition of carbon in kerosene oil is.

Choose an answer

C₁₀-C₁₂

C₁₂-C₁₂

C₁₆-C₁₈

C₃₀-C₃₀

Composition of carbon in the diesel oil.

Choose an answer

C₇-C₁₀

C₁₀-C₁₂

C₁₃-C₁₅

C₁₅-C₁₈

The number of carbon atoms present in kerosene oil.

Choose an answer

8-12

9-12

10-12

11-12

Concentration of the copper ore is carried out by:

Choose an answer

Calcinations

Roasting

Forth flotation

Distillation

More Classes

Other Links

10th Class Chemistry Chapter 16 Chemical Industries English Medium KPK Boards Online Mcqs 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

Choose an answer

Choose an answer

Choose an answer