Everyday Science MCQs
Q Laughing gas has chemical composition of following two elements ?
  • A A. Nitrogen + hydrogen
  • B B. Nitrogen + carbon
  • C C. Nitrogen + oxygen
  • D D. Oxygen + carbon
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Word of the Day
14 Jul
Obscenity
the state or quality of being obscene.
Ψ¨Ϋ’ΫΩˆΨ―Ϊ―ΫŒΨŒ فحاشی، Ψ¨Ϋ’ Ψ΄Ψ±Ω…ΫŒ

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