1. C1 – Air Quality

2. Question 1 A B C What are the main gases (A, B and C) which make up ‘Clean’ Air?

3. Question 2 Carbon + oxygen  What is the product formed when carbon reacts with oxygen?

4. Question 3 Which gas is responsible for acid rain, causing breathing problems and making asthma worse? A.Sulphur Dioxide B.Carbon Dioxide C.Nitrogen Dioxide D.Carbon Monoxide

5. Question 4 What is the mean of the following numbers…5,6,7,5,4 and 3 A.30 B.5 C.6 D.7

6. Question 5 Which is the correct definition for the term outlier A.A result that is very different from the others B.A result which is the same as at least one other result C.A result which isn’t the same as any others D.A result which has been predicted

7. Question 6 Which two are the correct inputs into a coal power station A.Methane and Nitrogen B.Carbon and Nitrogen C.Carbon and Oxygen D.Methane and Oxygen

8. Question 7 Which pollutant gas is a poisonous gas which reacts with blood and can kill you. A.Carbon dioxide B.Sulphur Dioxide C.Carbon Monoxide D.Nitrogen Monoxide

9. Question 8 Which two things can influence air the air quality around us? A.Car/Power station Emissions and Weather B.Weather and Trees C.Wind and Rain

10. Question 9 In the reaction below, which molecules are the reactants? Nitrogen + Oxygen Nitrogen Monoxide A.Nitrogen Monoxide B.Nitrogen C.Oxygen D.Nitrogen and Oxygen

11. Question 10 In the reaction below, which molecule/s are the products? Nitrogen + Oxygen Nitrogen Monoxide A.Nitrogen Monoxide B.Nitrogen C.Oxygen D.Nitrogen and Oxygen