Everyday Science MCQs
Q Brass gets discoloured in air because of the presence of which of the following gases in air ________ ?
  • A A. Carbon dioxide
  • B B. Oxygen
  • C C. Nitrogen
  • D D. Hydrogen sulphide
Previous Hydrogen bomb is based on the principle of ________ ?
Next A β€˜breath test’ used by traffic police to check drunken…
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Word of the Day
16 Jul
Volatile
(of a substance) easily evaporated at normal temperatures.
Ψ¨Ψ―Ω„ΨͺΫ’ Ω…Ψ²Ψ§Ψ¬ ΩˆΨ§Ω„Ψ§ΨŒ کافور ءفΨͺ

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