IGCSE O Level Chemistry Practice Test 21
Dissolving Filtering and Evaporating Quiz Questions and Answers PDF Download - 21
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Dissolving Filtering & Evaporating Questions and Answers PDF Download: MCQ 21
Larger crystals can be obtained if the
- evaporation is at high temperature
- evaporation rate is slow
- evaporation rate is fast
- evaporation speed remains stable
Conversion of Copper Hydroxide (Cu(OH)2) into Copper Oxide (CuO) and water (H2O) is an example of
- combustion
- Thermal decomposition
- Neutralization
- Respiration
What is true about non-electrolyte?
- they do not conduct electricity
- they are covalent substance
- they do not form ions
- all of above
Ethanoic acid (CH3COOH) is included in
- strong electrolyte
- non-electrolyte
- weak electrolyte
- good conductors
Bleach has an approximate of
- 5
- 8
- 11
- 14
IGCSE O Level Chemistry Exam Prep Tests
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