Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Science > Chemistry - C1 > Flashcards

Chemistry - C1 Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

what were the main gases volcanoes gave out?

A 
carbon dioxide
water vapour (steam)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what was the early atmosphere made out of?

A

carbon dioxide

water vapour

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

when the water vapour condensed what was made?

A

oceans

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what did green plants remove from the air?

A

carbon dioxide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what did the plants produce through photosynthesis?

A

oxygen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what happened when the plants died?

A

they got buried and got turned into fossil fuels so the co2 wasn’t released back into the atmosphere

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what is the blue haze that surrounds earth?

A

the atmosphere

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what is the atmosphere made up of (percentages)?

A

nitrogen- 78%
oxygen- 21%
argon- 1%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what are humans adding to the atmosphere?

A

pollutants

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what pollutants affect humans directly?

A

carbon monoxide- reduces the amount of oxygen that the blood can carry

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what pollutants affect humans indirectly?

A

sulfur dioxide- causes acid rain which can pollute rivers and lakes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what is carbon dioxides formula?

A

2 oxygen atoms

1 carbon atom

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what is waters formula?

A

2 hydrogen atoms

1 water atom

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what does carbon dioxide increase?

A

the green house effect (global warming)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what does CO2 dissolve in?

A

rain and sea water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

what happens if there isn’t enough oxygen around when fuel is burnt?

A

incomplete burning

17
Q

what does incomplete burning release?

A

carbon monoxide

18
Q

what is the formula for carbon monoxide?

A

1 carbon atom

1 oxygen atom

19
Q

what are tiny particles of carbon called when fuel doesn’t burn completely?

A

particulate carbon

20
Q

what do fossil fuels contain?

A

impurities

21
Q

what do some fuels contain within their impurities?

A

sulfur

22
Q

what is the formula of nitrogen monoxide?

A

1 nitrogen atom

1 oxygen atom

23
Q

what is the formula for nitrogen dioxide?

A

2 oxygen atoms

1 nitrogen atom

24
Q

what are nitrogen oxides?

A

pollutants

25
Q

what can sulphur and nitrogen oxide react with?

A

the water in clouds to make acid rain

26
Q

what are the ways we can reduce pollution?

A
  • use less electricity
  • take out the sulphur in natural gases and fuel oil in power stations
  • burn less fossil fuels
  • more efficient engines
  • fit cars with catalytic converters
  • oxidation
  • use more public transport

Science (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions