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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