MCQ- 46
A container contains gas at 1 atm pressure, compressed to 1/3rd of its initial volume, the pressure applied is
A. 1 atm
B. 2 atm
C. 3 atm
D. 6 atm
Answer: C
MCQ 47
What is not true about gases?
A. They are highly compressible
B. They have only vibrational motion-
C. Sudden expansion of gases causes cooling
D. They exert pressure on the walls of the vessel
Answer: B
MCQ 48 Which of the following is a property of molecular solid
A. Hardness and rigidity
B. High melting points
C. Volatile nature
D. Good conductors of electricity
Answer: C
MCQ- 49
In NaCl structure, ion at the corner of cubic unit cell contributes to the unit cell
A. 1/6 part
B. 1/2 part
C. 1/4 part
D. 1/8 part
Answer: D
MCQ – 50
The strength of H-bonding is about _____ as that of a covalent bond
A. 1/20
B. 1/3
C. 1/10
D. 1/100
Answer: A
