PDF chapter test TRY NOW

1. Give any two examples for heterodiatomic molecules.
 
The examples for heteroatomic molecules are,
 
 
2. What is molar volume of a gas?
 
One mole of any gas occupies  at STP. This volume is called molar volume.
 
3. Find the percentage of nitrogen in ammonia.
 
Molar mass of ammonia =
 
\text{Mass percentage of nitrogen} = \frac{\text{X}}{\text{Y}}\times100
 
Where,
 
X is
 
Y is
 
=  %