Published by:
CGP EDU Academic Team
Published on: August 12, 2026
CHEMISTRY
SECTION -1 (Maximum Marks : 12)
• This section contains FOUR (04) questions.
• Each question has FOUR options
A
, 
B
, 
C
and 
D
. ONLY ONE of these four options is the correct answer. • For each question, choose the option corresponding to the correct answer. • Answer to each question will be evaluated according to the following marking scheme: Full Marks 
If ONLY the correct option is chosen; Zero Marks : 0 If none of the options is chosen (i.e. the question is unanswered); Negative Marks : -1 In all other cases. A closed vessel contains 
of an ideal gas 
at 
, which exerts 
pressure. At the same temperature, ![]()
of another ideal gas 
is added to it and the pressure becomes 
. The ratio of root mean square velocities of 
and 
at 
is
If ONLY the correct option is chosen; Zero Marks : 0 If none of the options is chosen (i.e. the question is unanswered); Negative Marks : -1 In all other cases. A closed vessel contains of an ideal gas at , which exerts pressure. At the same temperature, is added to it and the pressure becomes . The ratio of root mean square velocities of and at is
Text Solution
Verified by ExpertsThe correct answer is:
D
Sol. Given,
As we know,
Volume and temperature remains same.
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