Chemistry In Our Lives

Question 0

Chemist

Answer 0

Is a person who actually manufactures medicine in the laboratory

Question 1

Pharmacist

Answer 1

Take a doctors 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

Natural materials

Answer 4

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

Question 5

Synthetic material

Answer 5

Artificial or man made

Question 6

Examples of synthetic

Answer 6

Nylon (tights), polyester (shirts), polythene (plastic bags), glass, terylene (crease free clothes), acrylic (yarn), melamine (plastic plates).

Question 7

Plastics are made from

Answer 7

Crude oil

Question 8

Fossil fuels

Answer 8

Are formed from the remains of plants and animals that HAV lived millions of years ago e.g. Coal, oil and gas

Question 9

Hydrocarbons

Answer 9

All fossil fuels are made mainly of the elements hydrogen and carbon, and so are called hydrocarbons.

Question 10

Methane

Answer 10

Natural gas is mainly methane

Question 11

Fossil fuels produce

Answer 11

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

Question 12

The gas Sulfur dioxide (SO2) is released

Answer 12

On burning of some fossil fuels (coal and oil) which contain sulfur compounds

Question 13

Acid rain

Answer 13

Sulfur dioxide combines with rainwater to form sulfuric acid, causing acid rain.

Question 14

Acid rain harm

Answer 14

Kills fish, is harmful to plants and erodes limestone buildings.

Question 15

Fuel

Answer 15

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

Question 16

Fire triangle

Answer 16

For a fire to happen you need 
1.fuel
2. Heat
3. Oxygen
A fire can be put out by removing one of these, can use water, sand, or carbon dioxide.

Question 17

Plastics

Answer 17

Are made from chemicals called monomers which are taken from the crude oil.

Question 18

Plastics are non- biodegradable

Answer 18

(Cannot be broken down by living things such as bacteria and fungi in the soil.

Question 19

Synthetic materials are

Answer 19

Often lighter, may be cheaper, easy to look after

Question 20

Polythene

Answer 20

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

Question 21

Polystyrene

Answer 21

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

Question 22

PVC

Answer 22

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