CF C10 Using Resources

Name A and B

a

b

release

reduce

recycle

reverse

reuse

Which process can be used to produce potable water from salty water?

• Distillation

• Electrolysis

• Filtration

• Sterilisation

A scientist produced potable water from 150 cm3 of salty water.

The salty water contains sodium chloride.

The scientist collected 2.40 g of sodium chloride from 150 cm3 of salty water.

Calculate the concentration of sodium chloride in grams per dm3

Which description matches the substance

Sodium chloride solution

• Compound

• Element

• Hydrocarbon

• Mixture

Which description matches the substance

Water

• Compound

• Element

• Hydrocarbon

• Mixture

Which type of water is the easiest to obtain potable water from?

• Ground water

• Salt water

• Waste water

Which of the following is the first stage of waste water treatment?

• Aerobic biological treatment of effluent

• Anaerobic digestion of sewage sludge

• Screening and removal of grit

Platinum is an unreactive metal obtained from the Earth’s crust.

Complete the sentence: Platinum is a _____

• finite resource

• formulation

• renewable resource

Description of process: Scrap steel is added to iron from a blast furnace

What is the name of the process being described?

• Extraction

• Quarrying

• Reacting

• Recycling

• Reusing

Description of process: A glass bottle is refilled

What is the name of the process being described?

• Extraction

• Quarrying

• Reacting

• Recycling

• Reusing