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MCQs

Total Questions : 32 | Page 4 of 4 pages
Question 31. Rusting of iron occurs due to
  1.    reduction
  2.    hydrogenation
  3.    oxidation
  4.    sublimation
 Discuss Question
Answer: Option C. -> oxidation
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 32. The element reduced in following reaction 2Ca + O2 2CaO is
  1.    Ca
  2.    O2
  3.    CaO
  4.    none of above
 Discuss Question
Answer: Option B. -> O2
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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