C3

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what minerals does Britain have?
coal, limestone and salt
1 of 10
what processes shaped the Earth?
erosion, sedimentation, dissolving and evapouration
2 of 10
what shows how the continents have changed?
magnetic clues and sedimentary rock
3 of 10
what is salt used for?
in the food industry (flavouring and preservative), as a source of chemicals and to treat icy roads
4 of 10
how is salt is extracted?
evaporation, solids mining and solution mining ( can cause subsidence)
5 of 10
what are the uses of alkalis?
neutralizing acidic soils, making soaps, glass and dyes
6 of 10
early attempts of making acids...
burnt wood and stale urine
7 of 10
issues of making alkalis originally...
lots of hydrogen chloride gas released and waste products produced ( when decayed released hydrogen sulfide)
8 of 10
the modern alkali industry...
extracted from brine by electrolysis
9 of 10
the life cycle of products...
raw materials, manufacturing, use and disposal (assessed for enviromnetal imapact and the energy/resources used)
10 of 10

Other cards in this set

Card 2

Front

what processes shaped the Earth?

Back

erosion, sedimentation, dissolving and evapouration

Card 3

Front

what shows how the continents have changed?

Back

Preview of the front of card 3

Card 4

Front

what is salt used for?

Back

Preview of the front of card 4

Card 5

Front

how is salt is extracted?

Back

Preview of the front of card 5
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