Quiz Questions (32 questions)
Question 1
Look at the diagram of a boiling and filtration setup. What is the purpose of the filter paper in this process?
Question 2
Look at the diagram of a boiling and filtration setup. What is the purpose of a filter paper in this process? (1 mark)
Question 3
Look at the diagram of a boiling and filtration setup. What is the purpose of a filter paper in this process? (1 mark)
Question 4
Look at the diagram below of a boiling and filtration setup. What is the purpose of a filter paper in this process? (1 mark)
Question 5
Study the table below:
| Type of Hardness | Suitable Softening Method |
|----------------------|-------------------------------|
| Temporary Hardness | ? |
| Permanent Hardness | Washing soda |
Which method best completes the table?
Question 6
Study the table below. Which method best completes the table? (1 mark)
Type of Hardness
Suitable Softening Method
Temporary Hardness
?
Permanent Hardness
Washing soda
Question 7
Study the table below. Which method best completes the table? (1 mark)
Type of Hardness
Suitable Softening Method
Temporary Hardness
?
Permanent Hardness
Washing soda
Question 8
Study the table below. Which method best completes the table? (1 mark)
Type of Hardness
Suitable Softening Method
Temporary Hardness
?
Permanent Hardness
Washing soda
Question 9
Which method is used to soften water that has only temporary hardness?
Question 10
Which method is used to soften water that has only temporary hardness? (1 mark)
Question 11
Which method is used to soften water that has only temporary hardness? (1 mark)
Question 12
Which of the following is most suitable for softening water with permanent hardness?
Question 13
Which of the following is most suitable for softening water with permanent hardness? (1 mark)
Question 14
Which of the following is most suitable for softening water with permanent hardness? (1 mark)
Question 15
Why is it important to soften hard water before using it with soap?
Question 16
Why is it important to soften hard water before using it with soap? (1 mark)
Question 17
Why is it important to soften hard water before using it with soap? (1 mark)
Question 18
How does washing soda soften hard water?
Question 19
How does washing soda soften hard water? (1 mark)
Question 20
How does washing soda soften hard water? (1 mark)
Question 21
In which softening method is filtration used after treatment?
Question 22
In which softening method is filtration used after treatment? (1 mark)
Question 23
In which softening method is filtration used after treatment? (1 mark)
Question 24
Refer to the diagram of a distillation setup. What is the main function of the condenser?
Question 25
The diagram below shows a distillation setup. What is the main function of the condenser? (1 mark)
Question 26
The diagram below shows a distillation setup. What is the main function of the condenser? (1 mark)
Question 27
What happens to soap lather when hard water is softened using chemicals?
Question 28
What happens to soap lather when hard water is softened using chemicals? (1 mark)
Question 29
What happens to soap lather when hard water is softened using chemicals? (1 mark)
Question 30
Why is boiling not effective in softening water with permanent hardness?
Question 31
Why is boiling not effective in softening water with permanent hardness? (1 mark)
Question 32
Why is boiling not effective in softening water with permanent hardness? (1 mark)
This quiz is part of the online learning platform. To attempt this quiz, please log in to the system.