WASH Quiz : Test your knowledge of water consumption in Switzerland and the world

1-What is the minimum quantity of drinking water one person needs every day?

a) 3 litres
b) 5 litres
c) 10 litres
d) 20 litres

2-How much water is used on average per person per day in Switzerland?

a) Less than 50 litres
b) 50 litres
c) 150 litres
d) 200 litres

3-What uses the most water in a Swiss household?

a) Baths/showers
b) Toilets
c) Washbasins and sinks
d) Dish-washers

4-How many people in the world have no access to drinking water?

a) 550 million
b) 780 million
c) 1.5 billion
d) 2.9 billion

5-How many people in the world have no access to a proper toilet?

a) 500,000,000
b) 1,500,000,000
c) 2,500,000,000
d) More than 2,500,000,000

6-How many people die every day because of bad water or its lack?

a) 2,000
b) 10,000
c) 35,000
d) 50,000

7-How much water is needed to produce a cup of coffee?

a) 10 litres
b) 80 litres
c) 140 litres
d) 200 litres

8-What is the average cost in Switzerland of a cubic metre of water (1000 litres)?

a) 1 CHF
b) 2 CHF
c) 5 CHF
d) 15 CHF

Bonus-If you had only river water, what would you do to make it drinkable?

a) Boil it for 2 minutes
b) Use gravel and sand to filter it
c) Lay a plastic bottle of river water in the sun
d) Add the seeds of a traditional tree to my bucket
e) Fill a bucket with water and wait for decantation
f) Make a fire and use the charcoal as a filter
g) Dig a hole in the river bank and collect the water from the hole
h) Wait for rain and collect that
i) Use a cloth as a filter

Answers:

1-a / 2-c / 3-b / 4-d / 5-d / 6-c / 7-c / 8-b

Bonus:

a) Wrong answer: you need at least 10 minutes

b) Possible: depending on the quality of the materials

c) Possible: if the water is not too cloudy, otherwise it must be decanted first

d) Possible: in some countries, Moringa is used to speed up decantation by flocculation

e) Wrong answer: not enough for river water

f) Wrong answer: insufficient

g) Possible: depending on the condition of the bank and whether animals often use the area

h) Possible: if you live in a place where it often rains

i) Wrong answer: not enough for river water