Chemical Reactions — Practice and Application
Science · Grade 10 · Week 27 · 25 questions
Chemical reactions transform substances into entirely new materials with different properties. Understanding reaction types and how to balance equations is central to chemistry.
What you'll practise
- Identify signs of a chemical reaction
- Balance chemical equations
- Classify types of chemical reactions
- Predict products of common reactions
All 25 questions in this Chemical Reactions — Practice and Application quiz
Grade 10 Science — Chemical Reactions — Practice and Application: 25 practice questions with instant scoring and explanations.
- Balance the equation: Fe + Cl₂ → FeCl₃
- In the reaction C + O₂ → CO₂, carbon undergoes oxidation. What is the change in oxidation state?
- Complete the reaction: 2H₂ + O₂ →
- Which type of reaction is: 2FeBr₃ + 3Cl₂ → 2FeCl₃ + 3Br₂?
- Predict the product: AgNO₃ + NaCl →
- Balance: Al + O₂ → Al₂O₃
- In exothermic reactions, ΔH is:
- Complete: Mg + H₂SO₄ →
- Which is a decomposition reaction?
- Balance: CuO + H₂ → Cu + H₂O
- What is the oxidation state of S in H₂SO₄?
- In which reaction is oxygen reduced?
- Balance: Ca + Cl₂ → CaCl₂
- Which is a redox reaction?
- Complete: Na₂CO₃ + CaCl₂ →
- What type of reaction is combustion?
- Balance: Zn + HCl → ZnCl₂ + H₂
- In the reaction 2Na + Cl₂ → 2NaCl, which element is oxidized?
- What is the oxidation state of Mn in KMnO₄?
- Complete: 2KMnO₄ + 16HCl(conc.) →
- Which reaction is an example of a combination reaction?
- Balance: P₄ + 5O₂ → P₄O₁₀
- In the reaction: Cl₂ + 2KBr → 2KCl + Br₂, which element is the oxidizing agent?
- What is the oxidation state of N in NH₄⁺?
- Complete: 2Fe₂O₃ + 3C →
Question 1 of 250 correct so far