Back to STATES OF MATTER
Your Progress
0 / 185 Answered
0
Correct
0
Incorrect
0%
Accuracy
JEE • CHEMISTRY • STATES OF MATTER
States of matter practice · Medium
Choose an answer to check it, or open “View answer” to study the explanation. Sign in to save progress to your account.
Practice format and chapter quiz
These sets use single-correct-answer MCQs. They do not cover every JEE Main or JEE Advanced question format and are not full-length mock papers.
Take a chapter quiz →
Showing 181-185 of 185 questions
Preparing practice and saved progress…
181
Medium
181 of 185
Application
+4 | -1
Among the following which gases are heavier than air
View answer and explanation
Correct option: B
Moist
Option B (Moist ) is correct because the presence of water vapor increases the effective molecular weight compared to dry air.
182
Medium
182 of 185
Remembering
+4 | -1
Which of the following represent standard state?
View answer and explanation
Correct option: A
bar
Option A ( bar) is correct because the standard state is defined as 298 K (25°C) and 1 bar pressure.
183
Medium
183 of 185
Understanding
+4 | -1
On mixing 10 mL of toluene with 10 mL of benzene, the total volume of the solution is
View answer and explanation
Correct option: C
Option C (= 20 mL) is correct because toluene and benzene form an ideal solution, meaning there is no volume change upon mixing.
184
Medium
184 of 185
Understanding
+4 | -1
Ratio of Boyle temperature and critical temperature for a gas is
View answer and explanation
Correct option: B
Option B (27/8) is correct because the Boyle temperature is a/Rb and the critical temperature is 8a/27Rb, so their ratio is 27/8.
185
Medium
185 of 185
Application
+4 | -1
1 mole of gas occupies a volume of at and pressure. The value of compressibility factor of the gas is
View answer and explanation
Correct option: A
0.71
Option A (0.71) is correct because it is calculated using the compressibility factor formula, Z = PV/nRT.
Revision notes and key takeaways
Review STATES OF MATTER in your textbook or class notes, then use this set to check your understanding.
Showing 181-185 of 185 questions