## Chemistry MCQ on States Of Matter for NEET, JEE, Medical and Engineering Exam 2022

MCQ on States Of Matter: Chemistry is considered to be the most scoring subject in NEET JEE Exam. As it is one of the easiest scoring subjects, it is often ignored and undermined a subject. But if you want to get an edge over others, here is a tip, master NEET/JEE Chemistry concepts. Chemistry demands the attention of students in understanding reactions and concrete basic understanding but once done it only gets easier from there. Mastering NCERT syllabus for NEET/JEE Chemistry should be topping your list of to-do for chemistry.

In this post we are providing you MCQ on States Of Matter, which will be beneficial for you in upcoming NEET, JEE, Medical and Engineering Exams.

## MCQ on States Of Matter

Q1. What are the conditions for gas like Carbon monoxide to obey the ideal gas laws?
a) low temperature and low pressure
b) low temperature and high pressure
c) high temperature and low pressure
d) high temperature and high pressure

c) high temperature and low pressure

Q2. Find the fraction of the total pressure exerted by hydrogen if it is mixed with ethane in an empty container at 25℃.
a) 1/2
b) 1/4
c) 7/8
d) 15/16

d) 15/16

Q3. If 1.204 x 1021 molecules of H2SO4 are removed from 392 mg of H2SO4, find the moles of H2SO4 left.
a) 2 x 10-3
b) 4 x 10-3
c) 1.2 x 10-3
d) 1.5 x 10-3

a) 2 x 10-3

Q4. Find the change in the root mean square speed of the gas on raising the temperature from 27℃ to 927℃.

a) gets doubled
b) gets halved
c) becomes times
d) remains same

a) gets doubled

Q5. At the same temperature, the average molar kinetic energy of N2 and CO is ______.
a) KE1 > KE2
b) KE1 < KE2
c) KE1 = KE2
d) insufficient information given

c) KE1 = KE2

Q6. A container with a pin-hole contains equal moles of H2(g) and O2(g). Find the fraction of oxygen gas escaped at the same time when one-fourth of hydrogen gas escapes.
a) 1/2
b) 1/4
c) 1/8
d) 1/16

d) 1/16

Q7. If the temperature is doubled, the average velocity of a gaseous molecule increases by ______.
a) 1.4
b) 2
c) 2.8
d) 4

a) 1.4

Q8. Find the temperature at which the rate of effusion of Nis 1.625 times to that of SO2 at 500℃.
a) 110℃
b) 173℃
c) 373℃
d) 620℃

d) 620℃

Q9. Find the molecular mass of a gas that takes three times more time to effuse as compared to He with the same volume.
a) 9 u
b) 27 u
c) 36 u
d) 64 u

c) 36 u