Chapter 15 Environmental Chemistry Ii Water Chemistry 10th Class Federal MCQ Tests
10th Class Chemistry Chapter 15 MCQ Tests
Chapter 15 of 10th Class Chemistry has 30 questions. If you take an online MCQ test, the system will randomly choose the questions. If you want to take the quiz by chapter then click the start test button.
Total Questions: 30
Total Marks: 30
Time: 30 Mins
Total Questions: 30
Total Marks: 30
Time: 30 Mins
30Min : 00 Sec Remaining
Question # 1
Magnesium bicarbonate + Slaked lime → ?
Question # 2
Which of the following must be dissolved in water to make it permanent hard water?
Question # 3
Which type of infection is Typhoid?
Question # 4
Which of the following is likely to contain bicarbonate of magnesium?
Question # 5
Which of the following is domestic effluent?
Question # 6
Which of the following ions are likely to be found in permanent hard water?
Question # 7
What are zeolites?
Question # 8
Temporary hard water contains which of the following?
Question # 9
Choose the correct formula for washing soda.
Question # 10
Oil refining releases which of the following gases?
Question # 11
Calcium sulphate, when dissolved in water, gives _____.
Question # 12
Pick the odd one out based on the number of protons.
Question # 13
By-product(s) formed with limescale upon boiling temporary hard water are _____.
Question # 14
Which of the following is a carcinogenic water pollutant?
Question # 15
Which of the following represents the composition of water in terms of H:O ratio by volume?
Question # 16
Which of the following is insoluble in water?
Question # 17
Solve the equation:
Question # 18
Clark's method involves removing temporary hardness by treating it with _____.
Question # 19
Hard water does not produce lather with soap but instead produces _____.
Question # 20
Hookworm causes which of the following?
Question # 21
Phosphate salts in the sea ultimately lead to the death of marine life due to _____.
Question # 22
Water has its maximum density at _____.
Question # 23
Which type of infection is Cholera?
Question # 24
Which of the following is NOT true about the use of water?
Question # 25
Which of the following is NOT likely to produce good lather with soap?
Question # 26
Cryptosporidiosis is caused by which of the following microorganisms?
Question # 27
Fluorosis occurs due to _____.
Question # 28
What is the percentage mass of hydrogen in water?
Question # 29
Electricity generated from water is known as _____.
Question # 30
Tanning of leather goods releases harmful chemicals of which of the following?
Total Questions
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Question # 1
Magnesium bicarbonate + Slaked lime → ?
Question # 2
Which of the following must be dissolved in water to make it permanent hard water?
Question # 3
Which type of infection is Typhoid?
Question # 4
Which of the following is likely to contain bicarbonate of magnesium?
Question # 5
Which of the following is domestic effluent?
Question # 6
Which of the following ions are likely to be found in permanent hard water?
Question # 7
What are zeolites?
Question # 8
Temporary hard water contains which of the following?
Question # 9
Choose the correct formula for washing soda.
Question # 10
Oil refining releases which of the following gases?
Question # 11
Calcium sulphate, when dissolved in water, gives _____.
Question # 12
Pick the odd one out based on the number of protons.
Question # 13
By-product(s) formed with limescale upon boiling temporary hard water are _____.
Question # 14
Which of the following is a carcinogenic water pollutant?
Question # 15
Which of the following represents the composition of water in terms of H:O ratio by volume?
Question # 16
Which of the following is insoluble in water?
Question # 17
Solve the equation:
Question # 18
Clark's method involves removing temporary hardness by treating it with _____.
Question # 19
Hard water does not produce lather with soap but instead produces _____.
Question # 20
Hookworm causes which of the following?
Question # 21
Phosphate salts in the sea ultimately lead to the death of marine life due to _____.
Question # 22
Water has its maximum density at _____.
Question # 23
Which type of infection is Cholera?
Question # 24
Which of the following is NOT true about the use of water?
Question # 25
Which of the following is NOT likely to produce good lather with soap?
Question # 26
Cryptosporidiosis is caused by which of the following microorganisms?
Question # 27
Fluorosis occurs due to _____.
Question # 28
What is the percentage mass of hydrogen in water?
Question # 29
Electricity generated from water is known as _____.
Question # 30
Tanning of leather goods releases harmful chemicals of which of the following?
Total Questions
123456789101112131415161718192021222324252627282930
Chemistry MCQ Test by Topics
- +15.1 Properties of Water
- +15.2 Water as Solvent
- +15.3 Soft and Hard Water
- +15.4 Types of Hardness of Water
- +15.5 Methods of Removing Hardness
- +15.6 Disadvantages of Water Hardness
- +15.7 Water Pollution
- +15.8 Waterborne Diseases
Chemistry
10th Class Federal MCQ Tests
10th Class Online Classes 2026
Updated on: 21-10-2026
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