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What is chromatography?
Chromatography is a technique used to separate the compounds present within a mixture
How does chromatography separate substances?
Chromatography separates substances by making use of differences in their polarity or molecular size
What does volumetric analysis involve?
Volumetric analysis involves using a solution of accurately known concentration in a quantitative reaction to determine the concentration of another substance.
What is titration used to determine?
Titration is used to determine, accurately, the volumes of solution required to reach the end point of a chemical reaction.
What is the use of an indicator?
The use of an indicator is to show when the end point is reached
What titre volumes within 0.2cm² considered?
Titre volumes within 0.2cm² are considered concordant
What is a standard solution?
A standard solution is a solution of accurately known concentration.
What are redox titrations based on?
Redox titrations are based on redox reactions
What titrations do not require an indicator?
Titrations using acidified permanganate do not require an indicator
Why do titrations using acidified permanganate not require an indicator?
Titrations using acidified permanganate do not require an indicator because purple permanganante solution turns colourless when reduced.
