Test: Air Around Us - 1


10 Questions MCQ Test NCERT Textbooks (Class 6 to Class 12) | Test: Air Around Us - 1


Description
This mock test of Test: Air Around Us - 1 for Class 6 helps you for every Class 6 entrance exam. This contains 10 Multiple Choice Questions for Class 6 Test: Air Around Us - 1 (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Air Around Us - 1 quiz give you a good mix of easy questions and tough questions. Class 6 students definitely take this Test: Air Around Us - 1 exercise for a better result in the exam. You can find other Test: Air Around Us - 1 extra questions, long questions & short questions for Class 6 on EduRev as well by searching above.
QUESTION: 1

The nitrogen content in air is

Solution:

By volume, dry air contains 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and small amounts of other gases

QUESTION: 2

The ___________ makes the windmill to rotate.

Solution:

The blowing wind makes the windmill to rotate.

QUESTION: 3

Air is a __________ of some gases.

Solution:

Air is a mixture of a number of gases like Nitrogen, Oxygen and Carbon dioxide etc.

QUESTION: 4

A weather cock show the ___________ in which wind is blowing.

Solution:

A weather cock shows the direction in which wind is blowing.

QUESTION: 5

Mountaineers carry oxygen ______________ with them, while climbing mountains.

Solution:

Mountaineers carry Oxygen cylinder with them, while climbing mountains because air pressure is low at higher altitude.

QUESTION: 6

The nose and mouth of traffic police at crossing is covered with

Solution:

The nose and mouth of traffic police at crossing is covered with mask due to presence of high pollutants in air.

QUESTION: 7

The presence of air around can be proved by

Solution:

The presence of air around can be proved by feeling it when it moves.

QUESTION: 8

The active part of air is

Solution:

The active part of air is Oxygen that help in combustion and respiration.

QUESTION: 9

A gas used for welding purpose is

Solution:

Oxygen gas is used for welding purpose along with acetylene gas.

QUESTION: 10

Which gas is produced on burning of fossil fuels

Solution:

The burning of fossil fuels - like coal, oil and natural gas - releases gases into the air, mainly carbon dioxide, sulfur dioxide, methane and nitrous oxide.

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