IGCSE O Level Chemistry Practice Test 141
Chemical and Ionic Equations Quiz Questions and Answers PDF Download - 141
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Chemical & Ionic Equations Questions and Answers PDF Download: MCQ 141
To balance Cu + H2SO4 → CuSO4 + H2O + SO2; number of H2SO4 molecules will be
- 1
- 2
- 3
- 4
What is correct about burning of hydrogen?
- it is an endothermic reaction
- it acts as fuel in rockets
- it is fatal for plant habitats
- it results in acid rains
In electrolysis of brine, ions moving to cathode include
- sodium + hydrogen ions
- hydroxide ions
- chloride ions
- hydrogen gas is bubbled off
Nitric Acid (HNO3) manufacturing requires catalyst of
- vanadium oxide
- iron
- platinum
- nickel
Conversion of solid Ammonium Nitrate (NH4NO3(s)) into aqueous Ammonium Nitrate (NH4NO3(aq)) is an example of
- combustion
- Thermal decomposition
- Neutralization
- dissolving
IGCSE O Level Chemistry Exam Prep Tests
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