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On heating, under suitable conditions, 1 litres of monoatomic gas,X, combines with 11/2 ...

On heating, under suitable conditions, 1 litres of monoatomic gas,X, combines with 11/2 litres of an oxide, What is the formula of the oxide.
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  • A XO3
  • B X2O3
  • C X3O2
  • D XO2
  • E None of the above
Correct Answer: Option B
Explanation:

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