Everyday Science MCQs
Q Which of the following is used as a lubricant?
  • A A. Graphite
  • B B. Silica
  • C C. Diamond
  • D D. Iron oxide
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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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