Question # 1

Which one of the following is used as jet fuel.

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Kerosene oil

Lubricating oil

Fuel oil

Diesel oil

Blonde hair contains compound of.

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Iron

Copper

titanium

Molybdenum

How many % age of nitrogen in urea fertilizers?

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40.6

45.6

46.6

50

The number of carbon atoms present in kerosene oil.

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8-12

9-12

10-12

11-12

Concentration of copper are is carried out by process.

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Roasting

Forth floatation

Gravity sepration

Electrostatic separation

The raw materials for the manufacturing of urea are.

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Ammonia

Carbondioxide

Limestone

a & b

Which one of the following is manufactured by Solvar's process:

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caustic soda

washing soda

urea

sulphuric acid

Raw materials used in Solvay's process.

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Brine

Lime stone

Ammonia gas

All

Brown hair contains.

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Iron compound

Copper compound

titanium compound

Both a and b

Red hair contains compound of.

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Iron

copper

titanium

Molybdenum

Chemical formula of matte will:

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Cu2S.FeS

Cu2S

Cu2O

FeS

Formula of baking soda is.

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Na₂CO₃

NaHCO₃

Na₂SO₄

Na₂PO₄

Metallurgy involves which of the following steps?

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Mining and enrichment

Reduction

Refining and casting.

All of these

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

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