Chemical constituent

Chemical constituent

11th Grade

15 Qs

quiz-placeholder

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Chemical constituent

Chemical constituent

Assessment

Quiz

Chemistry

11th Grade

Hard

Created by

VINOD ADHIKARI

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Thick layer of air that surrounds the Earth

Gas

Atmosphere

Troposhere

None of the above

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which gas is present in largest amount:

Oxygen

Nitrogen

Helium

Water vapour

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Percentage composition of Nitrogen in atmosphere:

60

21

78

10

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Percentage composition of Oxygen:

50

21

75

3

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which gas is needed for the survival of living things?

Oxygen

Hydrogen

Helium

Carbondioxide

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which gas is used for scuba diving?

Nitrogen

Carbondioxide

Neon

Oxygen

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which gas is used for food packaging?

Nitrogen

Oxygen

Carbondioxide

All of the above

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