Question # 1

Raw materials used in Solvay's process.

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Brine

Lime stone

Ammonia gas

All

Which one is not the fraction of residual oil?

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Paraffin wax

Asphalt

Fuel oil

Coke

Blonde hair contains compounds of:

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molybdenum

iron

titanium

copper

The impurities associated with the minerals are known as:

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Metallurgy

Ores

Gangue

Compounds

The process of roasting during metallurgy of copper is carried out in a special furnace called.

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Blast furnace

Fire furnace

Bessemer converter

Reverberatory furnace

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

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Sugar

Proteins

Fats

DNA

The residual oil is heated above 400 c to produce.

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Lubricants

Paraffin wax

Asphalt

All

Blast furnace usually used for the metallurgy of.

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Iron

Copper

Aluminum

Both a and b

The number of carbon atoms present in diesel oil.

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10-15

11-15

12-15

13-15

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

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