During which process a gas becomes a liquid...? Mcqs

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During which process a gas becomes a liquid...?

(A) Melting
(B) Freezing

(C) Condensing
(D) Boiling

Latest MCQs

Which element has the most % in human body...?

(A) Oxygen 65%
(B) Calcium 75%

(C) Hydrogen 10%
(D) Carbon 18%

Latest MCQs

Who discovered that the earth was not the center of the universe...?

(A) Aristotle
(B) Nicolaus Copernicus

(C) Sir Isac Newton
(D) None

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Which Gas is used in the preparation of Soft drinks...?

(A) Oxygen
(B) Carbon dioxide

(C) Nitrogen
(D) Halogen

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The material that comes out of a volcano at the time of eruption is:...?

(A) Solid, liquid, gaseous
(B) Solid and liquid

(C) Solid and gaseous
(D) None of these

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Which one of the following of glass can cut ultraviolet rays...?

(A) Jena Glass
(B) Soda Glass

(C) Pyrex Glass
(D) Crookes Glass

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Which statement is incorrect about chemical reactions...?

(A) States of matter does not change during chemical reactions
(B) Chemical reactions produce new substances

(C) Chemical reactions occur with the absorption or emission of energy
(D) Chemical reactions may be fast, moderate or slow

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The gas used in a refrigerator to cool water is___________...?

(A) Nitrogen
(B) Carbon dioxide

(C) Methane
(D) Tetrafluoroethane

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Which is not part of greenhouse gases...?

(A) Carbon dioxide
(B) Methane

(C) Nitrous oxide
(D) Oxygen

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Who invented bifocal eyeglasses...?

(A) Ibn-e-Haitem
(B) Benjamin Franklin

(C) Archemedes
(D) None

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