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Question 9

1.0g of the oxide of metal X (atomic mass = 64) gave 0.80g of the metal when reduced with hydrogen. The formula of the oxide is

  • A.X2O
  • B.XO
  • C.XO2
  • D.X2O3
  • E.X3O4
Objective

Question details

Exam body
UNIZIK
Subject
Chemistry
Year
2012/2013 Day 1
Question no.
#9
Type
Objective
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