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A chemist has 3 beakers, each containing a pure sample of acetone (2-propanone), isopropanol (2-propanol) and propanal. Using chemical techniques, suggest how the chemist may be able to determine which beaker contains which sample. [4]

Brady's reagent is an orange solution of 2,4-dinitrophenylhydrazine which reacts with carbonyl containing functional groups to produce an orange precipitate (2,4-dinitrophenylhydrazone derivative of the c...

SM
Answered by Stephen M. Chemistry tutor
2433 Views

The protection of trade routes was the most important reason for the British Interest in the Eastern Question. How far do you agree with this view?

To a certain extent Trade was paramount for Britain in the Eastern Question. For example at the Treaty of Paris in 1856, Russia was denied access to the Black Sea straits and this demilitarization continu...

TD
3256 Views

Evaluate whether 'love thy neighbour' is the most important moral principle for a Christian.

Christianity’s fundamental basis is the life of Christ as found in the Gospels. In the Gospels Christ declares ‘love thy neighbour’ as the ‘greatest commandment’ as found in Matthew 22:35–40 and Mark 12:2...

LC
12111 Views

Sketch the curve y=x^2-x-6

This curve is a quadratic due to the highest power in the equation being two. Quadratics typically have the shape of a U. Due to the coefficient of the x^2 term being positive, the curve is increasing for...

MA
Answered by Masum A. Maths tutor
7379 Views

What's the best way to write a focused comparative essay?

When writing about long texts like novels or plays it can be difficult to keep both texts in mind while structuring a focused answer. There are two things that you need to keep in mind: keep answering the...

LT
Answered by Lucy T. English tutor
1779 Views

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