Chemistry · Atoms and Molecules
In which of the following compounds do the constituting elements combine in a 5 : 2 ratio by mass?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Carbon dioxide
- 2Sodium chloride
- 3Calcium oxide✓
- 4Magnesium sulphide
Correct answer
Calcium oxide
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