O Level Chemistry e-Book's MCQs - Complete
Download Redox Reactions Quiz App & e-Book PDF - 22
Apps:
MCQ 22:
If acidified Potassium Dichromate(VI) (K2Cr2O7) acts as oxidizing agent, color changes from
- orange to red
- orange to green
- yellow to green
- yellow to red
c
O Level Chemistry App & e-Book Tests PDF Download
Redox Reactions Test 33
Mass Volume Time and Temperature Test 34
Protons Neutrons and Electrons Test 35
Mineral Acids and General Properties Test 36
Transfer of Electrons Test 37
Atomic Mass Test 38
Electrolyte and Non Electrolyte Test 39
Polarization Test 40
O level Chemistry and States of Matter Test 41
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O Level Chemistry MCQs eBook Download
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