Class 9 Chemistry e-Book's MCQs - Complete
Oxidation and Reduction MCQ App & e-Book Download - 213
Apps:
MCQ:
The element reduced in following reaction 2Ca + O2 2CaO is
- Ca
- O2
- CaO
- none of above
b
Class 9 Chemistry App & e-Book Tests PDF Download
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9th Grade Chemistry MCQs eBook Download
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