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Chemical Reactions

Types of reactions, acids & bases, metals & non-metals, carbon compounds

Sample Practice Questions

The equation Fe + CuSO₄ → FeSO₄ + Cu is a:
- Combination reaction
- Displacement reaction
- Decomposition reaction
- Double displacement reaction
Show answer

Answer: Displacement reaction
The reaction 2KClO₃ → 2KCl + 3O₂ is decomposed by _____ as a catalyst.
- Fe
- Cu
- MnO₂
- Pt
Show answer

Answer: MnO₂
The process of electrolysis uses _____ to decompose a compound.
- Heat
- Light
- Electricity
- Pressure
Show answer

Answer: Electricity
Rusting of iron is an example of:
- Reduction reaction
- Neutralization reaction
- Oxidation reaction
- Decomposition reaction
Show answer

Answer: Oxidation reaction

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Practice Questions

Practice 20 randomly selected NTSE questions on Chemical Reactions. Answers are revealed after each question.

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SAT Topics