Everyday Science MCQs
Q A sample of an iron and oxygen ore has a mass of 35.8 grams. The iron in the compound has a mass of 27.9 grams. What is the percent iron in the ore?
  • A A. 74% fe
  • B B. 75% fe
  • C C. 77% fe
  • D D. 78% fe
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Word of the Day
17 Jul
Flagrant
(of an action considered wrong or immoral) conspicuously or obviously offensive.
Ψ§Ω†Ψͺہائی برا، Ω‚Ψ§Ψ¨Ω„ Ω…Ψ°Ω…Ψͺ، فاش

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