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Metals and Non-Metals Class 10 Important Questions with Answers Science Chapter 3

We have given these Important Questions for Class 10 Science Chapter 3 Metals and Non-Metals to solve different types of questions in the exam. Previous Year Questions & Important Questions of Metals and Non-Metals Class 10 Science Chapter 3 will help the students to score good marks in the board examination. Certainly! Here are 30 short-type questions based on the topics of Metals and Non-Metals for Class IX CBSE board, along with their answers:


1. Q: Define a metal.

A: Metals are elements that are generally solid at room temperature, have metallic luster, good conductors of heat and electricity, and are malleable and ductile.


2. Q: Name a metal that is liquid at room temperature.

A: Mercury (Hg)


3. Q: What is the basic characteristic property of metals?

A: The ability to conduct heat and electricity.


4. Q: Give an example of a metal that is a poor conductor of electricity.

A: Lead (Pb)


5. Q: Define a non-metal.

A: Non-metals are elements that are usually gases or solids at room temperature, have no metallic luster, and are poor conductors of heat and electricity.


6. Q: Name a non-metal that is essential for respiration.

A: Oxygen (O2)


7. Q: Which non-metal is used in making fertilizers?

A: Nitrogen (N2)


8. Q: What is the product formed when a metal reacts with an acid?

A: Salt and hydrogen gas.


9. Q: What happens when a metal reacts with oxygen?

A: The metal forms metal oxide.


10. Q: Which gas is evolved when a metal reacts with dilute hydrochloric acid?

A: Hydrogen gas (H2)



11. Q: Which metal is used in galvanization to prevent corrosion?

A: Zinc (Zn)


12. Q: Name the metal that is a good conductor of electricity and is used in electrical wires.

A: Copper (Cu)


13. Q: What happens when a metal displaces another metal from its salt solution?

A: The displaced metal forms a new salt solution, and the original metal is separated.


14. Q: Why do metals not displace hydrogen from acids that are less reactive than metals?

A: Metals are more reactive than hydrogen, so they displace hydrogen from acids.


15. Q: What are metalloids?

A: Metalloids are elements that have properties of both metals and non-metals. They are also called semi-metals.


16. Q: Give an example of a metalloid.

A: Silicon (Si)


17. Q: Define the term 'corrosion.'

A: Corrosion is the process of gradual deterioration of metals due to chemical reactions with their environment, usually involving oxygen and moisture.


18. Q: How can corrosion of metals be prevented?

A: By using protective coatings like painting, galvanizing, or using alloys that are less prone to corrosion.


19. Q: Name a metal that does not react with water or steam.

A: Gold (Au)


20. Q: What happens when a non-metal reacts with oxygen?

A: Non-metals form non-metallic oxides.


21. Q: What is the product formed when sulfur dioxide reacts with water?

A: Sulfurous acid (H2SO3)


22. Q: Name a non-metal that is used to disinfect water.

A: Chlorine (Cl2)


23. Q: Which non-metal is used in the manufacture of fertilizers?

A: Phosphorus (P)


24. Q: What is the general trend in the reactivity of metals in the reactivity series?

A: Metals become more reactive as we move down the reactivity series.


25. Q: Which metal is stored in kerosene to prevent its reaction with air and moisture?

A: Sodium (Na)


26. Q: Name the process used to convert impure metals into pure metals.

A: Electrolytic refining


27. Q: Why are metals used to make cooking utensils?

A: Metals are good conductors of heat, allowing even distribution of heat during cooking.


28. Q: What are the products formed when a metal carbonate reacts with an acid?

A: Salt, water, and carbon dioxide gas.


29. Q: Which metal is used in the production of coins?

A: Copper (Cu)


30. Q: Which non-metal is used in the production of fertilizers, explosives, and medicines?

A: Nitrogen (N2)


31. Q: Write the chemical equation for the reaction of zinc with hydrochloric acid.

A: Zn + 2HCl → ZnCl2 + H2


32. Q: What is the product formed when magnesium reacts with oxygen?

A: 2Mg + O2 → 2MgO


33. Q: Write the chemical equation for the reaction of iron with sulfuric acid.

A: Fe + H2SO4 → FeSO4 + H2


34. Q: When copper reacts with oxygen in the air, what is the product formed?

A: 2Cu + O2 → 2CuO


35. Q: What happens when silver nitrate solution is added to sodium chloride solution?

A: AgNO3 + NaCl → AgCl + NaNO3


36. Q: Write the chemical equation for the reaction of lead with hydrochloric acid.

A: Pb + 2HCl → PbCl2 + H2


37. Q: What is the product formed when carbon dioxide is passed through lime water?

A: Ca(OH)2 + CO2 → CaCO3 + H2O


38. Q: Write the chemical equation for the reaction of aluminum with hydrochloric acid.

A: 2Al + 6HCl → 2AlCl3 + 3H2


39. Q: When dilute hydrochloric acid reacts with calcium carbonate, what are the products formed?

A: CaCO3 + 2HCl → CaCl2 + CO2 + H2O


40. Q: Write the chemical equation for the reaction of copper oxide with sulfuric acid.

A: CuO + H2SO4 → CuSO4 + H2O


41. Q: What happens when sulfur dioxide gas is passed through water?

A: SO2 + H2O → H2SO3


42. Q: Write the chemical equation for the reaction of lead with oxygen.

A: 2Pb + O2 → 2PbO


43. Q: What is the product formed when copper reacts with nitric acid?

A: 3Cu + 8HNO3 → 3Cu(NO3)2 + 2NO + 4H2O


44. Q: Write the chemical equation for the reaction of zinc oxide with sulfuric acid.

A: ZnO + H2SO4 → ZnSO4 + H2O


45. Q: What happens when a metal reacts with an acid?

A: Metal + Acid → Salt + Hydrogen gas



46. Q: Write the chemical equation for the reaction of iron with oxygen.

A: 4Fe + 3O2 → 2Fe2O3


47. Q: What is the product formed when magnesium reacts with hydrochloric acid?

A: Mg + 2HCl → MgCl2 + H2


48. Q: Write the chemical equation for the reaction of calcium with water.

A: Ca + 2H2O → Ca(OH)2 + H2


49. Q: What happens when a metal carbonate reacts with an acid?

A: Metal carbonate + Acid → Salt + Water + Carbon dioxide


50. Q: Write the chemical equation for the reaction of aluminum with oxygen.

A: 4Al + 3O2 → 2Al2O3


51. Q: What is the product formed when lead reacts with hydrochloric acid?

A: Pb + 2HCl → PbCl2 + H2


52. Q: Write the chemical equation for the reaction of zinc with sulfuric acid.

A: Zn + H2SO4 → ZnSO4 + H2


53. Q: What happens when a non-metal reacts with oxygen?

A: Non-metal + Oxygen → Non-metallic oxide


54. Q: Write the chemical equation for the reaction of sodium with water.

A: 2Na + 2H2O → 2NaOH + H2


55. Q: What is the product formed when sulfur dioxide reacts with water?

A: SO2 + H2O → H2SO3


56. Q: Write the chemical equation for the reaction of copper with sulfuric acid.

A: Cu + 2H2SO4 → CuSO4 + SO2 + 2H2O


57. Q: What happens when a metal reacts with water?

A: Metal + Water → Metal hydroxide + Hydrogen gas


58. Q: Write the chemical equation for the reaction of lead with nitric acid.

A: 3Pb + 8HNO3 → 3Pb(NO3)2 + 2NO + 4H2O


59. Q: What is the product formed when carbon reacts with oxygen?

A: C + O2 → CO2


60. Q: Write the chemical equation for the reaction of sodium with oxygen.

A: 4Na + O2 → 2Na2O


Remember to revise the properties, reactions, and uses of metals and non-metals. These short questions cover various aspects of the topic, helping you to reinforce your understanding. Best of luck with your studies!

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