Distinguishing between hard water and soft water Practice exercise 2

Question 1

Which statement is correct?

Question 2

Using the image shown below, which statement is correct? (1 mark)

Question 3

Using the image shown below, which statement is correct? (1 mark)

Question 4

Using the image shown below, which statement is correct? (1 mark)

Question 5

What happens when soap is used in hard water?

Question 6

What happens when soap is used in hard water? (1 mark)

Question 7

What happens when soap is used in hard water? (1 mark)

Question 8

What happens when soap is used in hard water? (1 mark)

Question 9

What makes hard water different from soft water?

Question 10

What makes hard water different from soft water? (1 mark)

Question 11

What makes hard water different from soft water? (1 mark)

Question 12

What makes hard water different from soft water? (1 mark)

Question 13

Which of the following is an example of soft water?

Question 14

Which of the following is an example of soft water? (1 mark)

Question 15

Which of the following is an example of soft water? (1 mark)

Question 16

Which of the following is an example of soft water? (1 mark)

Question 17

Why does soft water use less soap than hard water?

Question 18

Why does soft water require less soap than hard water when washing hands, as shown below? (1 mark)

Question 19

Why does soft water require less soap than hard water when washing hands, as shown below? (1 mark)

Question 20

Which statement is true about the taste of hard and soft water?

Question 21

Using the image shown below, which statement is true about the taste of hard and soft water? (1 mark)

Question 22

Using the image shown below, which statement is true about the taste of hard and soft water? (1 mark)

Question 23

Using the image shown below, which statement is true about the taste of hard and soft water? (1 mark)

Question 24

What happens when soap is used in hard water while washing clothes?

Question 25

What happens when soap is used in hard water while washing clothes? (1 mark)

Question 26

What happens when soap is used in hard water while washing clothes? (1 mark)

Question 27

What happens when soap is used in hard water while washing clothes? (1 mark)

Question 28

Which of the following is a characteristic effect of boiling on temporary hard water?

Question 29

Which of the following best explains how boiling distinguishes temporary hard water from soft water? (1 mark)

Question 30

Which of the following best explains how boiling distinguishes temporary hard water from soft water? (1 mark)

Question 31

Which of the following best explains how boiling distinguishes temporary hard water from soft water? (1 mark)

Question 32

Which of the following best explains how boiling distinguishes temporary hard water from soft water? (1 mark)

Question 33

Which of the following correctly explains how soap reacts with soft and hard water?

Question 34

Which of the following correctly explains how soap reacts with soft and hard water? (1 mark)

Question 35

Which of the following correctly explains how soap reacts with soft and hard water? (1 mark)

Question 36

Which of the following correctly explains how soap reacts with soft and hard water? (1 mark)

Question 37

Why do kettles used with hard water often form deposits inside them?

Question 38

Why do kettles used with hard water often form deposits inside them? (1 mark)

Question 39

Why do kettles used with hard water often form deposits inside them? (1 mark)

Question 40

Why do kettles used with hard water often form deposits inside them? (1 mark)

Quiz Questions (40 questions)