Which gas is commonly used in balloons and airships...? Mcqs

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Latest MCQs

Which gas is commonly used in balloons and airships...?

(A) Helium

(B) Hydrogen

(C) Carbon

(D) Chlorine

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Latest MCQs

The gas, commonly known as “laughing gas”, is...?

(A) Carbon Dioxide

(B) Sulfur Dioxide

(C) Nitrous Oxide

(D) Sodium Oxide

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