A) Momentum and energy always remain conserved.
B) Pressure is the result of elastic collision of molecules with the container's wall.
C) Molecules are separated by great distances compared to their sizes.
D) All the molecules move in straight line between collision and with same velocity.
Correct Answer: D
Solution :
[d] Molecules move very fast in all directions in a straight line by colliding with each other but with different velocity.
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