Q.

Is it true that the density of air is 1 g/cm3 at normal temperature and pressure?


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a

True

b

False 

answer is B.

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Detailed Solution

The above statement is False.
The density of the substance can be defined as the mass of the substance per unit volume of the substance. The SI unit of density is kg/m3, and its CGS unit is g/cm3. In CGS units, the density of air is 1000 g/cm3 at normal temperature and pressure. Also, the density of air in SI units is 1 kg/m3 at normal temperature and pressure.
The correct statement would be the density of air is not 1 g/cm3 at normal temperature and pressure.
  
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