Chemistry In Our Lives

Question 0

Chemist

Answer 0

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 that a pharmacist works in

Question 3

Rubber

Answer 3

A naturally occurring plastic

Question 4

Natural materials

Answer 4

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

Question 5

Synthetic

Answer 5

Artificial or man-made. These materials are made in a laboratory.

Question 6

Examples of synthetic materials

Answer 6

Nylon (tights), polyester (shirts, clothes), polythene (plastic bags), glass and 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 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

Question 10

Methane

Answer 10

Natural gas is mainly methane

Question 11

Fossil fuels produce

Answer 11

Carbon dioxide and water when burned

Question 12

Acid rain

Answer 12

Sulcus dioxide combines with rain to form sulphuric acid, causing acid rain

Question 13

Harm of acid rain

Answer 13

Kills fish, harms plants and erodes limestone buildings

Question 14

Fuel

Answer 14

A substance that burns in oxygen to produce heat

Question 15

Fire triangle

Answer 15

For a fire you need fuel, heat, oxygen

Question 16

Main properties of plastic

Answer 16

Easily moulded, durable, waterproof, lightweight, don’t conduct electricity

Question 17

Non-biodegradable

Answer 17

Plastics are non-biodegradable, if we recycle plastics this disadvantage can be overcome