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

He/she gives 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

Naturally 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
Artificial or man-made 
EG nylon(tights),polyester(shirt),polythene(plastic bags ,glass, terylene(crease free), acrylic(yarn) and melamine (plastic plates)
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6
Q

Plastics are made from:

A

Crude oil

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7
Q

Fossil fuels

A

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

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8
Q

Methane

A

Natural gas is mainly methane (CH4)

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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

Fossil fuels produce

A

Carbon Dioxide (CO2) and water (H2O) when burned

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11
Q

Sulphur Dioxide

A

(SO2) is released on burning of some fossil fuels (coal and oil) which contain sulfur compounds

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12
Q

Acid rain

A

Sulfur dioxide combines with rainwater to form sulfuric acid

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13
Q

Acid rain (harm)

A

Kills fish,plants and erodes buildings

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14
Q

Fuel

A

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

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15
Q

Fire triangle for a fire to happen you need:

A

Fuel
Heat
Oxygen
A fire can be put out by removing one of these,can use water,sand or carbon dioxide

16
Q

Polythene

A

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

17
Q

Polystyrene

A

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

18
Q

PVC

A

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

19
Q

Synthetic materials

A
Advantages 
Lighter,cheaper,easier to look after
Disadvantages 
Non-biodegradable 
If we reuse or recycle out plastics then this disadvantage can be overcome
20
Q

Monomers

A

Plastics are made from these chemicals