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Chemistry > Chemistry In Our Lives > Flashcards

Chemistry In Our Lives Flashcards

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0
Q

Chemist

A

A chemist is a person who actually manufacturers medicine in the laboratory.

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1
Q

Pharmacist

A

Takes a doctors prescription. He/she also dispenses the medicine.

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2
Q

Pharmacy

A

A building a pharmacist works

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3
Q

Rubber

A

A naturally occurring plastic.

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4
Q

Natural materials

A

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

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5
Q

Synthetic material

A

Artificial or man-made.

,

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6
Q

Synthetic examples

A 
Nylon : tights 
Polythene : plastic bags
Terylene : crease free clothes
Acrylic : yarn
Melamine : plastic plates
Glass : bottles
Polyester : shirt
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7
Q

Plastics are made from?

A

Crude oil

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8
Q

Fossil fuels

A

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

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9
Q

Hydrocarbons

A

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

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10
Q

Methane

A

Mainly natural gas

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11
Q

Fossil fuels produce

A

Carbon dioxide and water when burned.

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12
Q

Gas sulphur dioxide is realesed on

A

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

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13
Q

Acid rain

A

Sulphur dioxide combines with rainwater to form sulphuric acid causing acid rain.

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14
Q

Acid rain harm

A

Kills fish, harms plants and erodes limestone buildings.

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15
Q

Fuel

A

A substance that burns on oxygen to produce heat

16
Q

Fire triangle : for fire to happen you need

A

Fuel
Heat
Oxygen

17
Q

Plastics are made from

A

chemicals called monomers which are taken from crude oil

18
Q

Polymers

A

The monomers react together to make long chains of molecules called polymeres, which then behave like plastics

19
Q

Plastics are non-biodegradable

A

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

20
Q

Advantages of synthetic materials

A

Often light, may be cheaper and easy to look after

21
Q

Disadvantages

A

Non-biodegradable

If we reuse or recycle our plastics then this disadvantage can be overcome.

Chemistry (4 decks)

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