Matric Part 2/10th Class Chemistry Chapter 16 MCQ Test With Answer for Unit 16 Chemical Industries

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10th Chemistry English Medium Chapter 8 Test

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Chemistry 10th Class English Medium Unit 16 Online Test

Try the Chemistry 10th Class English Medium Unit 16 Online Test.

  • Total Questions12

  • Time Allowed15

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Chemistry 10th Class English Medium Unit 16 Online Test

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Question # 1

In forth flotation process the ore particles are preferentially wetted by:

Question # 2

Ammonical brine is prepared by dissolving ammonia gas in.

Question # 3

Crude oil is heated to the fractionating furnace upto.

Question # 4

Formula of Urea is.

Question # 5

Urea is nitrogenous fertilizer. It consist of nitrogen.

Question # 6

The residual oil is heated above 400 c to produce.

Question # 7

Concentration is a separating technique in which mineral is separated from.

Question # 8

When copper pyrite (CuFeS2) is strongly heated in excess of airit converted into mixture of:

Question # 9

How many % age of nitrogen in urea fertilizers?

Question # 10

Compound of metal exist under earth crust are called.

Question # 11

Froth flotation process is used to concentrate the ore on:

Question # 12

The number of carbon atoms present in petroleum ether.

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