UGC Net Environmental Science MCQ. We covered all the UGC Net Environmental Science MCQ in this post for free so that you can practice well for the exam.
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UGC Net Environmental Science MCQ Objective for Students
Who propounded the law of diffusion of gases?
(a) Boyle
(b) Charles
(c) Avogadro
(d) Graham
Option d – Graham
“The relative velocities of diffusion of different gases at certain temperatures and pressures are inversely proportional to the square root of their density.” This rule is
(a) Boyle’s law
(b) Charles’s law
(c) Law of admissibility
(d) Dalton’s law
Option c – Law of admissibility
Light gas in the air is
(a) Oxygen
(b) Ammonia
(c) Chlorine
(d) Propane
Option b – Ammonia
Putting perfume open in one corner of a room spreads its fragrance to all parts of the room. What is the reason for this?
(a) Evaporation
(b) Evaporation
(c) Diffusion
(d) Ablation
Option c – Diffusion
Solution is
(a) Homogeneous mixture of two or more substances
(b) Heterogeneous mixture of two or more substances
(c) Both of the above
(d) None of the above
Option a – Homogeneous mixture of two or more substances
Pressure on a gas to decrease its volume at a constant temperature
(a) Decreases
(b) Increases
(c) First decreases then increases
(d) Remains unchanged
Option b – Increases
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