Chemistry 9 Chapter 1 Practice Test 3

ByMuhammad Zaman

Chemistry 9 Chapter 1 Practice Test 3

291

Class 9 Chemistry

Chapter 1

Branches of Chemistry

Practice MCQs Test 3

1 / 10

Dynamite (C3 H5 N3 O9) explodes to form a mixture of gases.

2 / 10

Carbon-14 is continuously produced in the atmosphere when high energy neutrons from space collide with nitrogen-14.

3 / 10

In Pakistan, most of the factories use wet process for the production of cement.

4 / 10

A cornstalk grows from a seed.

5 / 10

Ice floats on water.

6 / 10

Purple iodine vapour appears when solid iodine is warmed.

7 / 10

Gasoline (a mixture of hydrocarbons) fumes are ignited in an automobile engine.

8 / 10

A silver article tarnishes in air.

9 / 10

Sulphur dioxide is the major source of acid rain.

10 / 10

Many other light chlorinated hydrocarbons in drinking water are carcinogens.

Your score is

The average score is 57%

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