Class 9 Chemistry · Chapter 10 · Test 3

Acid Rain

25 MCQs covering the causes and formation of acid rain the roles of sulphur and nitrogen oxides chemical reactions involved environmental effects and methods used to reduce acid rain.

MCQs

25 questions · 20 min · 25 marks

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Sample questions

The first 5 of 25. Try each one, then tap to see the answer.

Question 1
What pH range is given in the chapter for acid rain
- A4.2 to 4.4
- B6.5 to 7.5
- C1.0 to 2.0
- D8.0 to 9.0
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Answer: A
The chapter states that rain water with a pH between 4.2 and 4.4 is known as acid rain.
Question 2
Who was the first to show the relationship between acid rain and its causes
- ARobert Angus Smith
- BMichael Faraday
- CJohn Dalton
- DIsaac Newton
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Answer: A
Robert Angus Smith was the first to show the relationship between acid rain and its causes in 1852.
Question 3
Which substances are mainly responsible for acid rain
- AOxides of sulphur and nitrogen
- BOxygen and hydrogen
- CNitrogen and noble gases
- DCarbon monoxide and oxygen
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Answer: A
Acid rain is formed due to oxides of nitrogen and sulphur mixing with moisture in the atmosphere.
Question 4
What major human activity releases sulphur oxides into the atmosphere
- ABurning fossil fuels
- BPhotosynthesis
- CPlanting trees
- DWater evaporation
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Answer: A
Burning fossil fuels releases sulphur oxides due to sulphur compounds present in the fuels.
Question 5
Which gas is produced when sulphur reacts with oxygen
- ASulphur dioxide
- BSulphur trioxide
- CNitrogen dioxide
- DNitric acid
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Answer: A
Sulphur reacts with oxygen to form sulphur dioxide.

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