Two vessels A and B contain the same ideal gas. The volume of B is twice that of A, the pressure in B is twice that in A and the temperature of B is twice that of A. The ratio of the number of gas molecules in A and B is
A. 1 : 2
B. 2 : 1
C. 1 : 4
D. 4 : 1
Answer:A
Two vessels A and B contain the same ideal gas. The volume of B is twice that of A, the pressure in B is twice that in A and the temperature of B is twice that of A. The ratio of the number of gas molecules in A and B is
A. 1 : 2 B. 2 : 1 C. 1 : 4 D. 4 : 1