Q.

Is it true that air can be seen?


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a

True

b

False 

answer is B.

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Detailed Solution

The above statement is false.
Dust, smoke, and various gases such as carbon dioxide, oxygen etc., are all part of air composition. These gases have various roles in our daily lives, such as oxygen is essential for breathing and the functioning of the respiratory system. Similarly, carbon dioxide is essential to plant life for carrying out their processes. In addition, the air tends to support the burning process, and air can be dissolved into water. The presence of air cannot be seen, but we can feel it.
The corrected statement would be, “Air can not be seen, but we can feel it”.
  
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