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Question 253 of 525

Easy 0 views · Science

Which of the following is the lightest gas?

A

Nitrogen

B

Oxygen

C

Hydrogen

D

Helium

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🇮🇳 हिंदी Hindi Version

निम्नलिखित में से कौन सी सबसे हल्की गैस है?

A

नाइट्रोजन

B

ऑक्सीजन

C

हाइड्रोजन

D

हीलियम

Science 253/525

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