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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Source: This question is taken from the Everyday Science

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Of the six noble gases in the periodic table, which is the lightest...?

(A) Nitrogen
(B) Hydrogen

(C) Helium
(D) Oxygen

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Source: This question is taken from the Everyday Science

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Which of the following elements is not present abundantly in earth’s crust ...?

(A) Silicon
(B) Radium

(C) Aluminum
(D) Carbon

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Source: This question is taken from the Everyday Science

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

(A) Argon
(B) Helium

(C) Radon
(D) Xenon

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Source: This question is taken from the Everyday Science

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