It is not pure water because it almost always contains dissolved impurities
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How is most potable water made in the UK?
It usually is produced from naturally occurring fresh water by passing the water through filter beds to remove insoluble particles and sterilising the water to kill microbes
14 of 17
How does collision theory work?
The reactant particles must collide with each other
The particles must have enough energy for them to react
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What is chromatography?
Paper chromatography is used to separate mixtures of soluble substances and to provide information on the possible identity of the substance present in the mixture
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What phases does chromatography realise on?
The mobile phase is the solvent that moves through the paper carrying different substances with it
The stationary phase is contained on the paper and does not move through it
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Other cards in this set
Card 2
Front
What are the relative mass of the parts of an atom?
Back
Proton = 1
Neutron = 1
Electron = very small
Card 3
Front
What is an atomic number?
Back
Card 4
Front
What is a mass number?
Back
Card 5
Front
How do you calculate the number of subatomic particles?
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