Water 10 grade

What is the chemical formula of water?

• H₂0

• NaHCO₃

• Ca(OH)₂

• C₂H₅OH

Water is made up of what two elements?

• Nitrogen and oxygen

• Hydrogen and nitrogen

• Hydrogen and oxygen

• Phosphorus and hydrogen

The solid state of water is known as what?

• stone

• steam

• water

• ice

Water freezes at what temperature?

• 100 °C

• 0 °C

• 40 °C

• -1 °C

True or false? The Indian Ocean is the biggest ocean on Earth.

• True

• False

True or false? Water is an example of a chemical element.

• True

• False