Which of the following noble gases is abundant in air...? Mcqs

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Which of the following noble gases is abundant in air...?

(A) Neon
(B) Helium

(C) Argon
(D) Methane

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Atmospheric pressure at sea level is _______...?

(A) 746 mm
(B) 760 mm

(C) 820 mm
(D) None of these

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Which of the following vitamins is synthesized in the body by intestinal bacteria_______...?

(A) Vitamins B1
(B) Vitamins B12

(C) Vitamins E
(D) Vitamins K

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There are many different types of frozen water on Earth. Collectively, they are known as the: ___________...?

(A) Hydrosphere
(B) Cryosphere

(C) Frigid Zone
(D) Biosphere

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A single compound breaks down to form two or more simpler substances are called...?

(A) Combination Reaction
(B) Decomposition Reaction

(C) Neutralization Reaction
(D) Addition Reaction

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Gold and Silver are known as _________ metals ...?

(A) Coinage metals
(B) Noble metals

(C) Both A & B
(D) None of these

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A straight stalk like structure grows out of the soil is called...?

(A) Cotyledon
(B) Hypocotyl

(C) Coleoptile
(D) None

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Two fluorine atoms share one electron each in their outermost shell to achieve electronic configuration of ______...?

(A) Xe
(B) Ar

(C) Kr
(D) Ne

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‘Cyborg’ term mostly used in Science-fiction movies describes:...?

(A) A human being whose physiological functions are aided by artificial means
(B) A Bionic Human

(C) An individual with artificial parts
(D) All of Above

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

(A) Molecules
(B) Protons

(C) Elements
(D) Atoms

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