O Level Chemistry e-Book's MCQs - Complete
Protons Neutrons and Electrons MCQ App Download & e-Book - 659
Apps:
MCQ:
Carbon-12 is chosen as the standard atom because
- it is found in most organic compounds
- it is decomposable in nature
- mass of 12 units has been measured very accurately
- Carbon is the most common element
c
O Level Chemistry App & e-Book Tests PDF Download
Oxidation and Reduction Test 670
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Chemistry Reactions Test 672
Salts and Hydrogen of Acids Test 673
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Molecules and Macromolecules Test 675
Chemical to Electrical Energy Test 676
Dry Cells Test 677
Electrolyte and Non Electrolyte Test 678
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O Level Chemistry MCQs eBook Download
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