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Chemistry > Chemistry In Our Lives > Flashcards

Chemistry In Our Lives Flashcards

1
Q

Chemist

A

Person who actually manufactures medicine in the laboratory

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2
Q

Pharmacy

A

The building a pharmacist works in

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3
Q

Rubber

A

Natural occurring plastic

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4
Q

Natural materials

A

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

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5
Q

Synthetic materials

A

Synthetic means artificial or man made

Made in laboratory

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6
Q

Examples of synthetic materials :

A 
Nylon : tights 
Polyester : shirt
Polythene : plastic bags 
Glass :
Terrylene : 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 fuels

A

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

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9
Q

Hydrocarbons

A

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

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10
Q

Methane

A

Natural gas

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11
Q

Fossil fuels produce

A

Carbon dioxide and water when burned

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12
Q

The gas sulcus dioxide so2 is released on

A

Burning of some fossils fuels coal and oil which contain sulfur compounds

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13
Q

Acid rain harm

A

Kills fish, harmful to plants, erodes limestone buildings

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14
Q

Sulfur dioxide combines with

A

Rainwater to form sulfur if acid

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15
Q

Fuel

A

Substance that burns in oxygen to produce heat

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16
Q

Fire triangle

A

For a fire to happen you need fuel heat and oxygen

17
Q

Polythene

A

Tough waxy plastic used around electric cables and plastic bags

18
Q

Polystyrene

A

Packaging for drinking cups and also insulation in cavity walls

19
Q

PVC

A

Drains and pipes, and the cladding on walls of houses

20
Q

Properties of plastic

A 
Easily moulded 
Durable
Waterproof
Hard/soft
Easy to clean
Light weight
21
Q

Plastics are made from

A

Chemicals called monomers

22
Q

The monomers react

A

Together to make long chains of molecules called polymers which then behave like plastics

23
Q

Plastics are non biodegradable

A

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

24
Q

Advantage

A

Synthetic materials are often lighter than natural materials may be cheaper and easy to look after

25
Q

Disadvantage

A

Non biodegradable

If we re use or recycle our plastics then this advantage can be overcome

26
Q

Pharmacist

A

Take a doctors prescription he/she also dispenses the medicine

Chemistry (4 decks)

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