Flashcards

chemistry water sources

annie garratt English 12 cards

Cards in this deck (12)

1What are the five sources of water in England?Aquifer
reservoirs
lakes/ponds
streams
Turbines/water pumping station
2Water used to dissolve other chemicals is called a...A solvent.
3Water used to cool power stations is called a...Coolant.
4Water used to make other chemicals is called a...Reactant.
5What might water contain before it is purified...dissolved salts and minerals
microbes
pollutants
insoluble materials
viruses
6when fertiliser is washed off farmers field because of heavy rain, which pollutant is then found in drinking water?Nitrate/phosphate residues
7When chemical are used to kill insects near water, what pollutant therefore is found in drinking water?Insecticides/pesticides
8what pollutant is found in drinking water when a metal is dissolved whe rain runs through soil containing lead compoundslead ions
lead metal salts
9why are small amounts of chlorine added to tap water?Chlorine kills microbes that might otherwise cause disease.
10what are the three main processes that take place in a water treatment works?sedimentation
filtration
chlorination
11Distillation removes all soluble solids, so why is it not used in the UK?It is too expensive - it requires a fossil fuel or heat to boil the water which uses a lot of energy. The product is tasteless. We have other sources available to us that are more beneficial.
12What diseases/illnesses can be cased by dirty water?cholera
malaria
guinea worm disease
typhoid
dysentery
fluorosis

Description: Flashcards on chemistry water sources, created by annie garratt on 03/09/2015.
Created by: annie garratt
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