SET 3: Metals, Non-Metals and Chemical Properties
50 Multiple Choice
Questions
Introduction: This set covers
the chemical properties of metals and non-metals, including reactions with
acids, displacement reactions, and the concept of reactivity series. Essential
for Class 10 NCERT, JKBOSE, and CBSE curriculum.
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📘 SCIENCE
CHEMISTRY | Chemical Reactions and Equations-C
📝 Questions: 50
⏱️ Timer: 20 min
Q1. Green coating on copper is an example of:
Q2. Rusting of iron is called:
Q3. Silver articles turn black due to:
Q4. Chip packets are filled with nitrogen gas because it:
Q5. Fats and oils become rancid due to:
Q6. Rancidity affects:
Q7. Substances that prevent oxidation in food are called:
Q8. In the reaction CuSO₄ + Fe → FeSO₄ + Cu, copper is:
Q9. A substance is oxidised if it:
Q10. A substance is reduced if it:
Q11. In the reaction PbO + C → Pb + CO₂, carbon is:
Q12. A reaction in which both oxidation and reduction occur is called:
Q13. Magnesium ribbon burns to form:
Q14. The white powder formed when magnesium burns is:
Q15. Which metal can displace iron from iron sulphate solution?
Q16. Barium chloride reacts with aluminium sulphate to form:
Q17. The reaction Fe₂O₃ + 2Al → Al₂O₃ + 2Fe is an example of:
Q18. A balanced chemical equation follows the law of:
Q19. In a chemical equation, the symbols (s), (l), (g), (aq) represent:
Q20. Sodium hydroxide reacts with sulphuric acid to form:
Q21. Silver nitrate reacts with sodium chloride to form:
Q22. Which of the following is an example of a decomposition reaction?
Q23. Photolytic decomposition of silver chloride in sunlight produces:
Q24. Which of the following is an exothermic reaction?
Q25. Potassium reacts with water to give:
Q26. Iron reacts with hydrochloric acid to produce:
Q27. The colour of rust is:
Q28. Corrosion causes damage to:
Q29. Which of the following is an endothermic reaction?
Q30. Barium chloride reacts with sulphuric acid to produce:
Q31. Hydrogen gas reacts with nitrogen gas to form:
Q32. Burning of hydrogen sulphide (H₂S) forms:
Q33. More reactive metal displaces a less reactive metal from its salt solution. This is called:
Q34. Which metal does not corrode easily?
Q35. Rancidity can be prevented by:
Q36. Which of the following is an example of galvanisation?
Q37. White substance formed on burning magnesium is:
Q38. Which method is best to prevent rusting of iron gates?
Q39. BaCl₂ + H₂SO₄ produces:
Q40. The process of eating away of metals by air, moisture, or chemicals is called:
Q41. In the reaction Zn + CuSO₄ → ZnSO₄ + Cu, which substance is reduced?
Q42. Iron corrodes due to attack of:
Q43. Balanced equations follow law of:
Q44. Rancidity affects:
Q45. Barium chloride reacts with aluminum sulphate to form:
Q46. HNO₃ + Ca(OH)₂ produces:
Q47. A balanced equation has:
Q48. A substance is oxidised if it:
Q49. Black coating indicates:
Q50. Fats become rancid due to:
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