Properties of water

What is the most abundant compound on earth?

• Oxygen

• Water

• Carbon dioxide

• Nitrogen

According to the passage, what are some uses of water within a modern property?

• Cooking and cleaning only

• Hot and cold water supplies and wet central heating systems

• Only for drinking

• Only for gardening

Fill in the blank: Water is ________, odourless and tasteless.

• colourless

• thick

• sticky

• bitter

Any taste that water may have comes from:

• The temperature of the water

• The minerals dissolved in it

• The colour of the water

• The smell of the water

The minerals dissolved in water can vary in different parts of the country.

• True

• False

Water is a unique compound as it can exist in three states of matter. What is the solid state of water called?

• Steam

• Ice

• Water

• Vapor

Water is a unique compound as it can exist in three states of matter. What is the liquid state of water called?

• Ice

• Steam

• Water

• Snow

Water is a unique compound as it can exist in three states of matter. The gas state of water is called _________.

• steam

• ice

• snow

• dew

What is the freezing point of pure water at atmospheric pressure?

• 100°C

• 0°C

• 50°C

• -10°C

The freezing point of pure water is _______ K when at atmospheric pressure.

• 273 K

• 300 K

• 250 K

• 100 K