Chemistry In Our Lives

Question 0

Chemist

Answer 0

A person who actually manufactures medicine in the laboratory.

Question 1

Pharmacist

Answer 1

Takes a doctor prescription. He/She also dispenses the medicine.

Question 2

Pharmacy

Answer 2

Is the building a pharmacist works in

Question 3

Rubber

Answer 3

Is a naturally occurring plastic

Question 4

Naturally materials

Answer 4

Wool, water, silk, crude oil, cotton and fur.

Question 5

Synthetic materials

Answer 5

Artificial or man made

Eg. Nylon, polyester, polythene, glass, terylene, acrylic and melamine

Question 6

Examples of synthetic

Answer 6

Nylon- tights 
polyester- shirt 
polythene- plastic bag 
glass
terylene- crease free clothes 
acrylic- yarn 
melamine- plastic plates

Question 7

Plastics are made from…

Answer 7

Crude oil

Question 8

Fossil funds

Answer 8

Are formed from the remains of plants and animals that lived millions of years ago
Eg. coal oil and gases

Question 9

Hydrocarbon

Answer 9

All fossil fuels are made mainly of the elements hydrogen and carbon.

Question 10

Methane (CH4)

Answer 10

Natural gases

Question 11

Fossil fuels produce

Answer 11

Carbon dioxide (CO2) and water (H2O) when burned.

Question 12

The gas sulphur dioxide (SO2) is released

Answer 12

Burning of some fossil fuels (coal & oil) which contain sulphur compounds.

Question 13

Acid rain

Answer 13

Sulphur dioxide combines with rain water to form sulphuric acid.

Question 14

Acid rain harms

Answer 14

Kills fish
Harms plants
Erodes limestone buildings

Question 15

Fuel

Answer 15

A substance in oxygen to produce heat

Question 16

Fire triangle: for a firer to happen you need

Answer 16

Fuel
Heat
Oxygen

Question 17

polythene

Answer 17

Tough, waxy plastic used around electric cables and for plastic bags

Question 18

Polystyrene

Answer 18

Packaging for drinking cups and also for insulation in cavity walls of horse

Question 19

PVC

Answer 19

Drains and pipes and the cladding on the walls of house

Question 20

Monomers

Answer 20

Chemicals which are taken from the cruse oil

Question 21

Polymers

Answer 21

Monomers react together to make long chains of molecules

Question 22

Non-biodegrade

Answer 22

Cannot to broken down by living things

Question 23

Advantages of synthetic materials

Answer 23

Often lighter, maybe cheaper and easy to look after

Question 24

Disadvantage of synthetic material

Answer 24

Non-biodegrade and of we recuse or recycle our plastic then this disadvantage can be over come.