Brainscape's Knowledge GenomeTM

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


See full index

GCSE chemistry > limestone > Flashcards

limestone Flashcards

You may prefer our related Brainscape-certified flashcards:
Periodic Table flashcards Chemistry 101 flashcards GCSE Religious Studies - Edexcel Route A flashcards GCSE Religious Studies - Eduqas Route A flashcards GCSE Geography - AQA flashcards AP® Chemistry flashcards Organic Chemistry 101 flashcards GCSE Religious Studies - Edexcel Route B flashcards GCSE Religious Studies - Eduqas Route B flashcards
1
Q

what is the formula for calcium carbonate?

A

CaCO3

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

give some uses of limestone

A

building materials
cement
road making

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

what metal is extracted using limestone?

A

iron

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

give some advantages of quarrying

A

provides jobs

provides building materials

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

give some disadvantages of quarrying

A

dust pollution
noise pollution
spoils the landscape

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

what is the word equation for calcium carbonate decomposing into calcium oxide?

A

calcium heat calcium carbon

carbonate —–> oxide + dioxide

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

give some observations for the reaction of calcium carbonate decomposing into calcium oxide

A

fizzing
steam given off
crumbling

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

what is the correct science term for the breakdown of calcium carbonate into calcium oxide?

A

thermal decomposition

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

give the symbol equation representing the thermal decomposition of calcium carbonate

A

CaCO3 –> CaO + Co2

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

what is the colour of calcium oxide?

A

white

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

what is the chemical name for quicklime?

A

calcium oxide

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

which liquid is added to calcium oxide to turn into slaked lime?

A

water

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

give the observation for adding water to calcium oxide to make slaked lime

A

fizzing
steam given off
crumbling

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

what is the chemical name for slaked lime

A

calcium hydroxide

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

give the balanced symbol equation for calcium oxide turning into calcium hydroxide

A

CaO + H2O —> Ca(OH)3

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

if calcium hydroxide is dissolved to make a solution what is this solution called?

A

calcium hydroxide solution (aq)

or limewater

17
Q

what is limewater used to test for?

A

carbon dioxide

18
Q

give a symbol equation for the reaction where limewater is used to test for carbon dioxide

A

Co2 –> CaCO3 + H2O

19
Q

what colour is copper carbonate?

A

green

20
Q

what is formed when copper carbonate undergoes thermal decomposition?

A

copper copper oxide + carbon dioxide

carbonate —->

21
Q

give the word equation for thermal decomposition of copper carbonate

A

CuCO3 —> CuO + Co2

22
Q

what happens when you heat up carbonates?

A

nothing, they don’t decompose

23
Q

describe an experiment you could do to investigate the stability of carbonate compounds?

A

measure mass before and after thermal decomposition

GCSE chemistry (8 decks)

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