IGCSE O Level Chemistry Practice Test 42
Atoms and Elements MCQ (Multiple Choice Questions) PDF - 42
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Atoms & Elements Questions and Answers PDF Download: Quiz 42
MCQ 206: Symbol of Mercury is
- Mg
- Hg
- Me
- Mr
MCQ 207: Symbol of Copper is
- Co
- Cu
- Cl
- Ca
MCQ 208: Electrolysis refers to the
- passing of cathode in molten solid
- passing electricity through a solution or molten solid
- substance that does not allow the flow of electricity
- copper plating of utensils
MCQ 209: In Na2CO3, the relative atomic mass of Carbon is
- 12
- 24
- 36
- 48
MCQ 210: Greatest energy is found in the particles of the
- solids
- liquids
- gases
- diffusing particles
IGCSE O Level Chemistry Exam Prep Tests
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