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IGCSE O Level Chemistry Certification Exam Tests

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

A) polarization
B) difference in the reactivity series of two metals in the battery
C) volts of bulb attached to the battery
D) none of above

MCQ 822: When dichromate (VI) ion becomes reduced to chromium (III) ion, a change of color occurs from

A) purple to pink
B) purple to colorless
C) orange to purple
D) orange to green

MCQ 823: In Na2CO3.10H2O, the highest percentage composition is of

A) sodium
B) oxygen
C) water
D) carbon

MCQ 824: "No fixed volume" is a characteristic of

A) liquids
B) solids
C) gases
D) aqueous solutions

MCQ 825: Chemical composition of a compound

A) fixed
B) not fixed
C) variable
D) none of above

IGCSE O Level Chemistry Exam Prep Tests

Chemical to Electrical Energy Learning App & Free Study Apps

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Chemical to Electrical Energy App (Android & iOS)

Chemical to Electrical Energy App (Android & iOS)

O Level Chemistry App (Android & iOS)

O Level Chemistry App (Android & iOS)

A level Chemistry App (Android & iOS)

A level Chemistry App (Android & iOS)

College Chemistry App (Android & iOS)

College Chemistry App (Android & iOS)