Chemistry In Our Lives Flashcards

0
Q

Chemist

A

A person who actually manufactures medicine in the laboratory.

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1
Q

Pharmacist

A

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

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2
Q

Pharmacy

A

Is the building a pharmacist works in

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3
Q

Rubber

A

Is a naturally occurring plastic

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4
Q

Naturally materials

A

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

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5
Q

Synthetic materials

A

Artificial or man made

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

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6
Q

Examples of synthetic

A
Nylon- tights 
polyester- shirt 
polythene- plastic bag 
glass
terylene- crease free clothes 
acrylic- yarn 
melamine- plastic plates
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7
Q

Plastics are made from…

A

Crude oil

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8
Q

Fossil funds

A

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

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9
Q

Hydrocarbon

A

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

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10
Q

Methane (CH4)

A

Natural gases

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11
Q

Fossil fuels produce

A

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

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12
Q

The gas sulphur dioxide (SO2) is released

A

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

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13
Q

Acid rain

A

Sulphur dioxide combines with rain water to form sulphuric acid.

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14
Q

Acid rain harms

A

Kills fish
Harms plants
Erodes limestone buildings

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15
Q

Fuel

A

A substance in oxygen to produce heat

16
Q

Fire triangle: for a firer to happen you need

A

Fuel
Heat
Oxygen

17
Q

polythene

A

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

18
Q

Polystyrene

A

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

19
Q

PVC

A

Drains and pipes and the cladding on the walls of house

20
Q

Monomers

A

Chemicals which are taken from the cruse oil

21
Q

Polymers

A

Monomers react together to make long chains of molecules

22
Q

Non-biodegrade

A

Cannot to broken down by living things

23
Q

Advantages of synthetic materials

A

Often lighter, maybe cheaper and easy to look after

24
Q

Disadvantage of synthetic material

A

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