Which process is used for purifying a solid...? Mcqs

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Which process is used for purifying a solid...?

(A) Sublimation
(B) Distillation

(C) Filtration
(D) Crystallization

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Latest MCQs

Crude Oil is heated in the furnace up to _________...?

(A) 300°C
(B) 350°C

(C) 400°C
(D) 450°C

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What are considered the building blocks of matter...?

(A) Molecules
(B) Protons

(C) Elements
(D) Atoms

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The cross between CC x Cc occurs, and the homozygous dominant is...?

(A) 1
(B) 2

(C) 1/2
(D) None of these

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A six feet tall lady wants to see her full image in a plane mirror . The minimum length of the mirror will be ...?

(A) 6 feet
(B) 12 feet

(C) 4 feet
(D) 3 feet

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When a ray of sunlight enters a dark room , its straight path become visible because of dust particles hanging in the air. It is because light is _________...?

(A) Visible
(B) Transparent

(C) Invisible
(D) opaque

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Richer Scale is used for measuring _____...?

(A) Strength of an earthquake
(B) Sound waves

(C) Pollution of atmosphere
(D) None of these

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Pressure in gases is due to _____...?

(A) Collision of molecules with walls of containers
(B) Vibration of molecules

(C) Rotation of molecules
(D) Electromagnetic attraction between molecules

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Temperature of Sun in Celsius Scale is 6000ºC  & in Fahrenheit is _____________...?

(A) 8000 F
(B) 9000 F

(C) 10,832 F
(D) None of these

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What melted rock eventually becomes lava...?

(A) Iron
(B) Metals

(C) Magma
(D) Coal

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