Chemical Reactions And Equation Class 10th
10 Questions
| Total Attempts: 44
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 - ProProfs]( "Name the gas evolved in this figure")
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 - ProProfs]( "Here two solutions barium chloride and sodium sulphate is mixed together, white insoluble substances obtained in this fig. Identify the type of reaction")
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 - ProProfs]( "Burning of magnesium ribbon is an example of")
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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