IGCSE O Level Chemistry Practice Test 165
Chemical to Electrical Energy Quiz Questions and Answers PDF - 165
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Chemical to Electrical Energy Questions and Answers PDF Download: Quiz 165
MCQ 821: The brightness of battery light depends on the
- polarization
- difference in the reactivity series of two metals in the battery
- volts of bulb attached to the battery
- none of above
MCQ 822: When dichromate (VI) ion becomes reduced to chromium (III) ion, a change of color occurs from
- purple to pink
- purple to colorless
- orange to purple
- orange to green
MCQ 823: In Na2CO3.10H2O, the highest percentage composition is of
- sodium
- oxygen
- water
- carbon
MCQ 824: "No fixed volume" is a characteristic of
- liquids
- solids
- gases
- aqueous solutions
MCQ 825: Chemical composition of a compound
- fixed
- not fixed
- variable
- none of above
IGCSE O Level Chemistry Exam Prep Tests
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