prac exam (1 Viewer)

Bumbleb33

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Hi
I have a prac exam next week on module 2
what are some common pracs that they assess? and what are errors people usually make?
the test is only 1 hour long

thanks
 

someth1ng

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Possible pracs:
- Testing pH of several substances using indicators.
- Producing and using a natural indicator.
- Mass changes involved with opening a soft drink can.
- Measuring the pH of identical concentrations of strong and weak acids.
- Titration using acids and bases.
- Esterification using an alkanol and an alkanoic acid.

A hard prac would be titration mixed with strong/weak acids - something like giving you several solutions of unknown concentration, asking you to find the concentration by titration and then comparing pH.

You really just need to know the methods and techniques.
 

Bumbleb33

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ok thanks

what are some assess validity, reliability etc questions they commonly have?
 

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