Chemistry In Our Lives

Question 1

Pharmacist

Answer 1

Takes doctors prescription

Dispenses medicine

Question 2

Chemist

Answer 2

Manufactures medicine in a laboratory

Question 3

Pharmacy

Answer 3

Building a pharmacist works in

Question 4

Natural materials

Answer 4

Not made in a laboratory, naturally occurring

e.g. wool and water

Question 5

Rubber

Answer 5

Naturally occurring plastic

Question 6

Synthetic materials

Answer 6

Means artificial or man made
Made in laboratory
e.g. nylon (tights), polyester (shirt), polythene (plastic bags), glass and terylene (crease free clothes), acrylic (yarn), melamine (plastic plates)

Question 7

Plastics

Answer 7

Group of materials, either synthetic or naturally occurring, that can be shaped when soft, and harden to retain the given shape

Question 8

Plastics (synthetic)

Answer 8

Made from crude oil

Man made

Question 9

Monomers

Answer 9

Simple hydrocarbons that are separated from crude oil

Question 10

Polymers

Answer 10

Monomers react together to form chains

Question 11

Polymerisation

Answer 11

The making of polymers

Question 12

Polythene

Answer 12

Tough waxy plastic

Used around electric cables and plastic bags

Question 13

Polystyrene

Answer 13

Used for packaging, drinking cups, insulating cavity walls in houses

Question 14

PVC

Answer 14

Used for drains and pipes and the cladding in the walls of houses

Question 15

Non biodegradable

Answer 15

Plastics that can’t be broken down by living things such as bacteria and fungi in the soil

Question 16

Advantages of plastics

Answer 16

Often lighter
May be cheaper
Easy to look after

Question 17

Disadvantages of plastic

Answer 17

Non biodegradable

But if we recycle or reuse plastics this disadvantage is overcome

Question 18

Fossil fuels

Answer 18

Formed from the remains of plants and animals that lived millions of years ago
e.g. Oil gas and coal

Question 19

Hydrocarbons

Answer 19

Fossil fuels made mostly from hydrogen and carbon

Question 20

Methane

Answer 20

Natural gas

CH4

Question 21

Fossil fuels produce..

Answer 21

Carbon dioxide and water when burned

Question 22

Sulphur dioxide is released when..

Answer 22

Burning fossil fuels (coal and oil) which contain sulphur compounds

Question 23

Acid rain

Answer 23

Sulphur dioxide and rainwater combined (sulphuric acid) cause this
Kills fish, harmful to plants, erodes limestone buildings

Question 24

Fuel

Answer 24

Substance that burns in oxygen to produce heat

Question 25

Fire triangle

Answer 25

For a fire to happen you need:
Fuel
Heat
Oxygen 
Put out by removing one of these or use water, sand or carbon dioxide