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An element X froms the following oxides X2O, XO and XO2. This phenomenon illustrates the...

Chemistry
WAEC 2016
An element X froms the following oxides X2O, XO and XO2. This phenomenon illustrates the law of________?
  • A. Conservation of mass
  • B. Definite proportion
  • C. Mass action
  • D. Multiple proportion
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Correct Answer: Option D
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