C3

OCR 21st Century Science Revision C3

?
  • Created by: zoe
  • Created on: 17-05-13 17:14
Britain has a number of valuable _______ deposits in the ground...
Mineral
1 of 53
Mineral deposits in the ground include...
Coal,Limestone,Salt
2 of 53
5 examples of geological processes...
Mountain building, erosion, sedimentation, dissolving, evaporation
3 of 53
These make up the earths surface...
Tectonic plates
4 of 53
The chemical name for salt is...
Sodium Chloride
5 of 53
Salt can be obtained by pumping water into a deposit and extracting the...
Brine
6 of 53
Salt waste can affect plants and animals by drying them up through the process...
Osmosis
7 of 53
Four uses of alkalis...
Neutralising acidic soils, making chemicals to bond die to cloth, making soap from fats and oils, making glass
8 of 53
Soluble hydroxides and soluble carbonates are alkalis therefore they...
Neutralise acids
9 of 53
Four uses of alkalis...
Neutralising acidic soils, making chemicals to bond die to cloth, making soap from fats and oils, making glass
10 of 53
Hydrochloric acid + Potassium hydroxide--->
Potassium chloride + Water
11 of 53
Soluble hydroxides and soluble carbonates are alkalis therefore they...
Neutralise acids
12 of 53
Hydrochloric acid + Calcium Carbonate--->
Calcium chloride + Water + Carbon Dioxide
13 of 53
Hydrochloric acid + Potassium hydroxide--->
Potassium chloride + Water
14 of 53
Hydrochloric acid + Calcium Carbonate--->
Calcium chloride + Water + Carbon Dioxide
15 of 53
Hydrogen chloride can be oxidised to make...
Chlorine
16 of 53
Chlorine, hydrogen, and sodium hydroxide are extracted from brine using...
Electrolysis
17 of 53
Hydrogen chloride can be oxidised to make...
Chlorine
18 of 53
Electrolysis occurs when...
An electric current is used to split up a liquid or dissolved compound (called the electrolyte)
19 of 53
Chlorine, hydrogen, and sodium hydroxide are extracted from brine using...
Electrolysis
20 of 53
Sodium hydroxide...
Is an important alkali, is used to make soaps, detergents, paper and textiles, is used as a domestic drain cleaner, is a corrosive substance
21 of 53
Electrolysis occurs when...
An electric current is used to split up a liquid or dissolved compound (called the electrolyte)
22 of 53
Hydrogen...
Is a flammable gas, is used in processing hydrocarbon fuels, making margarine and making ammonia in the Haber process, will be used as a clean fuel in the future
23 of 53
Sodium hydroxide...
Is an important alkali, is used to make soaps, detergents, paper and textiles, is used as a domestic drain cleaner, is a corrosive substance
24 of 53
Chlorine...
Can be used as a bleach, can be used to kill bacteria in drinking water-this has controlled many diseases in humans around the world, is a toxic gas
25 of 53
Chlorine could react with organic chemicals in water to produce...
Small amounts of harmful chemicals
26 of 53
Step 1 of the LCA...
Making the material from natural raw materials
27 of 53
Hydrogen...
Is a flammable gas, is used in processing hydrocarbon fuels, making margarine and making ammonia in the Haber process, will be used as a clean fuel in the future
28 of 53
Step 2 of the LCA...
Manufacture
29 of 53
Chlorine...
Can be used as a bleach, can be used to kill bacteria in drinking water-this has controlled many diseases in humans around the world, is a toxic gas
30 of 53
Step 3 of the LCA...
Use
31 of 53
Chlorine could react with organic chemicals in water to produce...
Small amounts of harmful chemicals
32 of 53
Step 4 of the LCA...
Disposal
33 of 53
Step 1 of the LCA...
Making the material from natural raw materials
34 of 53
Step 2 of the LCA...
Manufacture
35 of 53
The purpose of the LCA is to find the most _________ method possible...
Sustainable
36 of 53
Step 3 of the LCA...
Use
37 of 53
Factors to be assessed in making the material from natural raw materials...
Energy needed and environmental impact of converting raw materials into useful materials
38 of 53
Step 4 of the LCA...
Disposal
39 of 53
Factors to be assessed in manufacture...
Resources and enefy to make the products, the environmental impact of making the product from the material
40 of 53
The purpose of the LCA is to find the most _________ method possible...
Sustainable
41 of 53
Factors to be assessed in use...
Energy needed to use the product, energy and chemicals needed to maintain the product, environmental impact
42 of 53
Factors to be assessed in making the material from natural raw materials...
Energy needed and environmental impact of converting raw materials into useful materials
43 of 53
Factors to be assessed in disposal...
Energy needed to dispose of the product, environmental impact of landfill, incineration and recycling
44 of 53
Factors to be assessed in manufacture...
Resources and enefy to make the products, the environmental impact of making the product from the material
45 of 53
Different materials can perform the..
Same job
46 of 53
Factors to be assessed in use...
Energy needed to use the product, energy and chemicals needed to maintain the product, environmental impact
47 of 53
What does LCA stand for?
Life cycle asssesment
48 of 53
A high salt intake in your diet increases...
the risk of you developing heart disease
49 of 53
Factors to be assessed in disposal...
Energy needed to dispose of the product, environmental impact of landfill, incineration and recycling
50 of 53
Different materials can perform the..
Same job
51 of 53
What does LCA stand for?
Life cycle asssesment
52 of 53
A high salt intake in your diet increases...
the risk of you developing heart disease
53 of 53

Other cards in this set

Card 2

Front

Mineral deposits in the ground include...

Back

Coal,Limestone,Salt

Card 3

Front

5 examples of geological processes...

Back

Preview of the front of card 3

Card 4

Front

These make up the earths surface...

Back

Preview of the front of card 4

Card 5

Front

The chemical name for salt is...

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Science resources:

See all Science resources »See all Chemistry resources »