Phase 1 cold water PP1

What is the chemical symbol for water?

• CO2

• H2O

• H2CO3

• O2

How many main stages are there in the rainwater cycle?

• 5

• 4

• 3

• 2

What type of water supply is provided by a water authority?

• Private source

• Rainwater harvesting

• Bottled water

• Water undertaker

What does water with a pH > 8.5 indicate?

• Polluted water

• Hard water

• Acidic water

• Soft water

Which of the following is NOT a source of water in the UK?

• Rivers

• Desalinated water

• Natural springs

• Upland surface waters

What is the main treatment required for water from deep wells and boreholes?

• Desalination

• Filtration

• Chemical treatment

• Sterilisation

What fluid category is wholesome water supplied by the water undertaker?

• Fluid category 1

• Fluid category 2

• Fluid category 4

• Fluid category 3

What does water become when it falls on limestone?

• Soft and acidic

• Polluted

• Salty

• Hard and alkaline

Which regulation deals with licensing water suppliers and sewage disposal?

• The Water Act 2003

• The Water Supply (Water Fittings) Regulations 1999

• The Private Water Supplies (England) Regulations 2016

• The Clean Water Act

What is the effect of the mineral in hard water?

• Increases acidity

• Makes water undrinkable

• Leads to water scarcity

• Acts as a buffer reducing acid