Water Purification

Water is a/an -?

• Mixture

• Compound

• Element

The formula for water is-?

• H2O

• H02

• 2OH

Answer explanation

Water molecule consists of 2 Hydrogen and 1 Oxygen atoms. When two or more atoms of different elements combine with each other in a fixed ratio, the molecule of a compound is obtained

What is the simplest water purification method?

• Chlorination

• Filtration

• Boiling

Which of the following is water-borne disease

• COVID-19

• Typhoid

• Measles

Which of the following water purification kills germs?

• Chlorination

• Filtration

• Decantation