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

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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

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The sun is made up of 99.9% of ________________ and ______________...?

(A) Oxygen and Hydrogen
(B) Hydrogen and Sulfur

(C) Carbon and Silicon
(D) Hydrogen and Helium

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Bones Ash contain...?

(A) calcium sulphate
(B) phosphoric sulphate

(C) Calcium sulphate
(D) None of these

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The hormone that increases the rate of heart beat and blood pressure after shock in a person is___________...?

(A) Adrenalin
(B) Gastrin

(C) Thyroxin
(D) Pancreatic

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A mirror which has a reflecting surface that bulges outwards like the back side of the spoon is called ____...?

(A) Concave Mirror
(B) Plane Mirror

(C) Convex Mirror
(D) Parabolic Mirror

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The second largest moon “titan” is belongs to which planet...?

(A) Uranus
(B) Venus

(C) Saturn
(D) Mercury

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Comets are made mostly of ______________...?

(A) Ice and dust
(B) Dust and lights

(C) Ice, dust and lights
(D) All of the above

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The velocity of a satellite is _____ of its mass....?

(A) Independent
(B) Dependent

(C) Equal
(D) Double

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Big Bang was an explosion that occurred ...?

(A) 10 Billion years ago
(B) 15 Billion years ago

(C) 20 Billion years ago
(D) 25 Billion years ago

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Which instrument among the following is used for observing multiple images of objects...?

(A) Periscope
(B) Kaleidoscope

(C) Telescope
(D) Microscope

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