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Chemistry. > water. > Flashcards

water. Flashcards

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1
Q

what is the water called when it is from seas and oceans?

A

Seawater

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2
Q

Does seawater contain microbes or contain dissolved substances?

A

It contains microbes and dissolve substances

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3
Q

what do you call water that is an underground streams and rocks?

A

Ground water

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4
Q

Does groundwater contain microbes or contain dissolved substances?

A

It contains microbes and dissolved substances

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5
Q

what is the water called that is in underground, streams, rocks, rivers, Lakes, ice caps and glaciers?

A

Fresh water

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6
Q

does freshwater contain microbes or contain dissolved substances?

A

It contains microbes and dissolved substances

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7
Q

what is the water that is used that comes from homes, industry and agriculture called?

A

Waste water

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8
Q

Does wastewater contain microbes or does it contain dissolved substances?

A

It contains microbes and dissolved substances

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9
Q

What is water that is fit to drink called?

A

Potable water

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10
Q

does a potable water contain microbes or contain dissolve substances?

A

It doesn’t contain microbes, but does contain dissolve substances

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11
Q

what is the water called? That is 100% water and contains nothing else?

A

Pure water

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12
Q

does pure water contain microbes or contain dissolved substances?

A

It doesn’t contain either

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13
Q

what are the two methods of making potable water from fresh water?

A

Filtration and sterilisation

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14
Q

How is filtration used to make potable water from fresh water ?

A

remove solid as it passes, through filter bed, which are usually sand.

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15
Q

How is sterilisation used to make potable water from fresh water?

A

it kills microbes
They either add chlorine, treat with ozone or use UV light

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16
Q

What are the two processes of making potable water from sea water?

A

distillation and reverse osmosis.

17
Q

during waste water treatment, what happens at the primary sedimentation tanks?

A

Soul material consent to the bottom as a sludge

18
Q

During waste water treatment, what happens at aeration?

A

Bubble through

Chemistry. (66 decks)

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