Question 1: At constant temperature pV vs p plot for real gases is

A straight line
Not a straight line
Is a circle
None of these

Question 2: For the Dihydrogen and helium, as the pressure increases the value of pV

increases
decreases
no change
first decrease and then increases

Question 3: Which one is the correct representation of van der Waals equation

(P+an²/V²)/(V−nb)=nRT
(P-an²/V²)(V−nb)=nRT
(P+an²/V²)(V−nb)=nRT
(P+an²/V²)(V+nb)=nRT

Question 4: Van der Waals constant Value of ‘a’ is measure of magnitude of -------

Interactive force
Intermolecular attractive forces
interatomic force
interionic force

Question 5: Real gases show ideal behaviour at ---------

low temperature and low pressure
high pressure and low temperature
low pressure and high temperature
high temperature and high pressure