WONDER #2488: How Do You Purify Water?
Question 1 of 3
Many purification plants use the chemical ________________ to disinfect water.
- baking powder
- sodium chloride
- carbon dioxide
Question 2 of 3
According to the World Health Organization, how many people did not have access to clean drinking water at home in 2017?
- 1 million
- 2.1 billion
- 7.6 billion
Question 3 of 3
This Wonder was mostly about...
- how LifeStraw can help bring clean water to more people.
- how water is purified so that it’s clean enough for people to drink.
- which chemicals are best for making water taste better.
- which basic need is most important.
Check your answers online at https://wonderopolis.org/index.php/wonder/how-do-you-purify-water.