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General Science Mcqs for PPSC, FPSC, NTS

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What is the name of the gas used in an air conditioner?

A. Ammonia
B. Nitrous oxide
C. Freon
D. CO2

Internal friction of fluid is called_________?

A. Viscosity
B. Surface tension
C. Resistance
D. Cohesive force

The process whereby energy is dissipated from the oscillating system is called__________?

A. Oscillation
B. Damping
C. Resonance
D. None of these

The movement of any solvent across a semipermeable membrane is called__________?

A. Osmosis
B. Cataphoresis
C. Electrolysis
D. Electrophoresis

Which of the following noble gases is not present in the atmosphere?

A. Argon
B. Helium
C. Radon
D. Xenon

Which of the following noble gases is abundant in air

A. Neon
B. Helium
C. Argon
D. Methane

Which law states that “equal volumes of all gases, at the same temperature and pressure, have the same number of molecules?

A. Boyle’s law
B. Charles’ law
C. Gay-Lussac’s law
D. Avogadro’s law

Which of the following waves have the smallest velocity in vacuum

A. Ultraviolet
B. Sound
C. Infra-Red
D. Micro

By which process does the smell of cooking spread to all the rooms in a house?

A. Distillation
B. Diffusion
C. Decomposition
D. Displacement

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