Chemical Reactions And Equation Class 10th

10 Questions | By Tanishthasharma. | Last updated: Mar 17, 2022 | Total Attempts: 208

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Chemical reactions and equation

Questions and Answers

1.

Reaction with copper sulphate solution with iron is example of
- A.
  
  Displacement reaction
- B.
  
  Double displacement reaction
- C.
  
  Combination reactions
- D.
  
  Decomposition reaction
2.

What will be the colour of silver chloride powder is kept in the sunlight
- A.
  
  Green
- B.
  
  Grey
- C.
  
  Yellow
- D.
  
  Black
3.

Reaction with quick lime and water is an example of
- A.
  
  Endothermic
- B.
  
  Displacement
- C.
  
  Exothermic
- D.
  
  Photolytic
4.

Name the gas evolved when ferrous sulphate crystals is heated
- A.
  
  Oxygen
- B.
  
  Nitrogen
- C.
  
  Nitrogen dioxide
- D.
  
  Sulphur dioxide
5.

Respiration is an example of
6.

Name the gas evolved in this figure
- A.
  
  Nitrogen dioxide
- B.
  
  Nitrogen oxide
- C.
  
  Nitrogen
- D.
  
  Ammonia
7.

What is the ratio of volume of hydrogen gas to the volume of oxygen gas during electrolysis of water
- A.
  
  1:2
- B.
  
  2:3
- C.
  
  2:1
- D.
  
  3:2
8.

Here two solutions barium chloride and sodium sulphate is mixed together, white insoluble substances obtained in this fig. Identify the type of reaction
- A.
  
  Displacement reaction
- B.
  
  Double displacement reaction
- C.
  
  Combination reactions
- D.
  
  Decomposition reaction
9.

Burning of magnesium ribbon is an example of
- A.
  
  Oxidation
- B.
  
  Reduction
- C.
  
  Thermal decomposition reaction
- D.
  
  Displacement reaction
10.

Oily contains food such as potato chips is flushed with nitrogen in packet to prevent
- A.
  
  Reduction
- B.
  
  Photolytic reaction
- C.
  
  Rancidity
- D.
  
  None of these

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