Q5 of 65 Page 20

Out of dry and wet air which one is heavier?

Dry air is heavier than wet air because:

i. Dry air has nitrogen (N2) and a molecule of oxygen.


ii. Wet air has a water molecule (H2O).


iii. Nitrogen and a molecule of oxygen in dry air are heavier than the water molecule of wet air.


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Convert the following temperatures to the Kelvin scale.

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