Chemistry In Our Lives

Question 0

Chemist

Answer 0

A person who actually Manufactures medicine in the laboratory

Question 1

Pharmacist

Answer 1

He/she gives the medicine

Question 2

Pharmacy

Answer 2

Is the building a pharmacist works in

Question 3

Rubber

Answer 3

Naturally occurring plastic

Question 4

Natural materials

Answer 4

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

Question 5

Synthetic materials

Answer 5

Artificial or man-made 
EG nylon(tights),polyester(shirt),polythene(plastic bags ,glass, terylene(crease free), acrylic(yarn) and melamine (plastic plates)

Question 6

Plastics are made from:

Answer 6

Crude oil

Question 7

Fossil fuels

Answer 7

Are formed from the remains of plants and animals that lived millions of years ago. E.G. Coal, oil and gas

Question 8

Methane

Answer 8

Natural gas is mainly methane (CH4)

Question 9

Hydrocarbons

Answer 9

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

Question 10

Fossil fuels produce

Answer 10

Carbon Dioxide (CO2) and water (H2O) when burned

Question 11

Sulphur Dioxide

Answer 11

(SO2) is released on burning of some fossil fuels (coal and oil) which contain sulfur compounds

Question 12

Acid rain

Answer 12

Sulfur dioxide combines with rainwater to form sulfuric acid

Question 13

Acid rain (harm)

Answer 13

Kills fish,plants and erodes buildings

Question 14

Fuel

Answer 14

A substance that burns in oxygen to produce heat is called a fuel

Question 15

Fire triangle for a fire to happen you need:

Answer 15

Fuel
Heat
Oxygen
A fire can be put out by removing one of these,can use water,sand or carbon dioxide

Question 16

Polythene

Answer 16

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

Question 17

Polystyrene

Answer 17

Packaging,for drinking cups, and also for insulation in cavity walls of houses

Question 18

PVC

Answer 18

Drains and pipes,and the cladding on the walls of houses

Question 19

Synthetic materials

Answer 19

Advantages 
Lighter,cheaper,easier to look after
Disadvantages 
Non-biodegradable 
If we reuse or recycle out plastics then this disadvantage can be overcome

Question 20

Monomers

Answer 20

Plastics are made from these chemicals