Grade 10 Chemical Reactions Interactive Quiz | Concept of Maths

Question 1

1. Which of the following is a displacement reaction?

A) \( \text{MgCO}_3 \rightarrow \text{MgO} + \text{CO}_2 \)

B) \( \text{Zn} + 2\text{HCl} \rightarrow \text{ZnCl}_2 + \text{H}_2 \)

C) \( 2\text{H}_2 + \text{O}_2 \rightarrow 2\text{H}_2\text{O} \)

D) \( \text{CaO} + \text{H}_2\text{O} \rightarrow \text{Ca(OH)}_2 \)

Answer

Correct Answer: B

Question 2

2. Magnesium ribbon is rubbed before burning because it has a coating of:

A) Basic magnesium oxide

B) Basic magnesium carbonate

C) Basic magnesium chloride

D) Basic magnesium sulphate

Answer

Correct Answer: B

Question 3

3. What happens when dilute hydrochloric acid is added to iron filings?

A) Hydrogen gas and iron chloride are produced.

B) Chlorine gas and iron hydroxide are produced.

C) No reaction takes place.

D) Iron salt and water are produced.

Answer

Correct Answer: A

Question 4

4. Oxidation is a process which involves:

A) Addition of hydrogen

B) Removal of oxygen

C) Addition of oxygen

Question 5

5. The process of reduction involves:

A) Addition of oxygen

B) Addition of hydrogen

C) Removal of hydrogen

D) Loss of electrons

Answer

Correct Answer: B

Question 6

6. In the reaction \( \text{CuO} + \text{H}_2 \rightarrow \text{Cu} + \text{H}_2\text{O} \), the oxidizing agent is:

A) \( \text{CuO} \)

B) \( \text{H}_2 \)

C) \( \text{Cu} \)

D) \( \text{H}_2\text{O} \)

Answer

Correct Answer: A

Question 7

7. Which of the following gases can be used for the storage of a fresh sample of oil for a long time?

A) Carbon dioxide or oxygen

B) Nitrogen or oxygen

C) Carbon dioxide or helium

D) Helium or nitrogen

Answer

Correct Answer: D

Question 8

8. The respiration process during which glucose undergoes slow combustion by combining with oxygen in the cells of our body to produce energy is an example of:

A) Endothermic reaction

B) Exothermic reaction

C) Reversible reaction

D) Displacement reaction

Answer

Correct Answer: B

Question 9

9. A chemical equation is balanced in accordance with the law of:

A) Conservation of mass

B) Definite proportions

C) Multiple proportions

D) Reciprocal proportions

Answer

Correct Answer: A

Question 10

10. When silver is exposed to air, it gets a black coating of:

A) \( \text{AgNO}_3 \)

B) \( \text{Ag}_2\text{O} \)

C) \( \text{Ag}_2\text{S} \)

D) \( \text{Ag}_2\text{CO}_3 \)

Answer

Correct Answer: C

Question 11

11. Which of the following is an endothermic process?

A) Sublimation of dry ice

B) Dilution of sulphuric acid

C) Condensation of water vapours

D) Respiration in human beings

Answer

Correct Answer: A

Question 12

12. Rancidity can be prevented by:

A) Adding antioxidants

B) Storing food away from light

C) Packaging oil and fat-containing foods in nitrogen gas

D) All of the above

Answer

Correct Answer: D

Question 13

13. The reaction of water with quicklime to form slaked lime is an example of:

A) Endothermic reaction

B) Exothermic combination reaction

C) Decomposition reaction

D) Double displacement reaction

Answer

Correct Answer: B

Question 14

14. \( \text{Pb} + \text{CuCl}_2 \rightarrow \text{PbCl}_2 + \text{Cu} \). The above reaction is an example of a:

A) Combination reaction

B) Double displacement reaction

C) Displacement reaction

D) Decomposition reaction

Answer

Correct Answer: C

Question 15

15. What occurs when carbon dioxide is passed through lime water?

A) It turns milky due to the formation of insoluble calcium carbonate.

B) It turns milky due to the formation of soluble calcium hydroxide.

C) It turns colorless due to the formation of calcium oxide.

D) It evaporates instantly.

Answer

Correct Answer: A

Question 16

16. The burning of methane (natural gas) is an example of:

A) Exothermic and oxidation reaction

B) Endothermic and reduction reaction

C) Decomposition and exothermic reaction

D) Displacement and endothermic reaction

Answer

Correct Answer: A

Question 17

17. The chemical formula of rust is:

A) \( \text{FeO} \)

B) \( \text{Fe}_2\text{O}_3 \cdot x\text{H}_2\text{O} \)

C) \( \text{Fe}_3\text{O}_4 \)

D) \( \text{Fe(OH)}_3 \)

Answer

Correct Answer: B

Question 18

18. Exposure of silver chloride to sunlight for a long duration turns it grey. This is due to:

A) The photolytic decomposition of silver chloride into silver and chlorine

B) The sublimation of silver chloride

C) The oxidation of silver chloride

D) The formation of a complex of silver

Answer

Correct Answer: A

Question 19

19. Barium chloride on reacting with ammonium sulphate forms barium sulphate and ammonium chloride. This represents which type of reaction?

A) Displacement reaction

B) Precipitation and combination reaction

C) Double displacement and precipitation reaction

D) Decomposition reaction

Answer

Correct Answer: C

Question 20

20. The neutralization reaction between an acid and a base is typically a type of:

A) Displacement reaction

B) Decomposition reaction

C) Double displacement reaction

D) Addition reaction

Answer

Correct Answer: C

Accepted Answer

Correct Answer: C

Mastering Chemical Reactions: Grade 10 Science Quiz | Concept of Maths

Mastering Chemical Reactions: Grade 10 Science Quiz | Concept of Maths

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5. The process of reduction involves:

6. In the reaction \( \text{CuO} + \text{H}_2 \rightarrow \text{Cu} + \text{H}_2\text{O} \), the oxidizing agent is:

7. Which of the following gases can be used for the storage of a fresh sample of oil for a long time?

8. The respiration process during which glucose undergoes slow combustion by combining with oxygen in the cells of our body to produce energy is an example of:

9. A chemical equation is balanced in accordance with the law of:

10. When silver is exposed to air, it gets a black coating of:

11. Which of the following is an endothermic process?

12. Rancidity can be prevented by:

13. The reaction of water with quicklime to form slaked lime is an example of:

14. \( \text{Pb} + \text{CuCl}_2 \rightarrow \text{PbCl}_2 + \text{Cu} \). The above reaction is an example of a:

15. What occurs when carbon dioxide is passed through lime water?

16. The burning of methane (natural gas) is an example of:

17. The chemical formula of rust is:

18. Exposure of silver chloride to sunlight for a long duration turns it grey. This is due to:

19. Barium chloride on reacting with ammonium sulphate forms barium sulphate and ammonium chloride. This represents which type of reaction?

20. The neutralization reaction between an acid and a base is typically a type of:

Grade 10 Chemical Reactions Interactive Quiz | Concept of Maths

1. Which of the following is a displacement reaction?

2. Magnesium ribbon is rubbed before burning because it has a coating of:

3. What happens when dilute hydrochloric acid is added to iron filings?

4. Oxidation is a process which involves:

Mastering Chemical Reactions: Grade 10 Science Quiz | Concept of Maths

Mastering Chemical Reactions: Grade 10 Science Quiz | Concept of Maths

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5. The process of reduction involves:

6. In the reaction \( \text{CuO} + \text{H}_2 \rightarrow \text{Cu} + \text{H}_2\text{O} \), the oxidizing agent is:

7. Which of the following gases can be used for the storage of a fresh sample of oil for a long time?

8. The respiration process during which glucose undergoes slow combustion by combining with oxygen in the cells of our body to produce energy is an example of:

9. A chemical equation is balanced in accordance with the law of:

10. When silver is exposed to air, it gets a black coating of:

11. Which of the following is an endothermic process?

12. Rancidity can be prevented by:

13. The reaction of water with quicklime to form slaked lime is an example of:

14. \( \text{Pb} + \text{CuCl}_2 \rightarrow \text{PbCl}_2 + \text{Cu} \). The above reaction is an example of a:

15. What occurs when carbon dioxide is passed through lime water?

16. The burning of methane (natural gas) is an example of:

17. The chemical formula of rust is:

18. Exposure of silver chloride to sunlight for a long duration turns it grey. This is due to:

19. Barium chloride on reacting with ammonium sulphate forms barium sulphate and ammonium chloride. This represents which type of reaction?

20. The neutralization reaction between an acid and a base is typically a type of: