Top answers


What are the reagents used to oxidise an alcohol to a carboxylic acid.

Answer: Sulphuric acid and potassium dichromate.
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Answered by John A. • Chemistry tutor
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What is the size of the exterior and interior angle of a regular 13 sided polygon?

First of all select one vertex on the polygon and draw straight lines from the selected vertex to every other vertex on the polygon. In doing so this should divide the shape into 11 triangles. Using the know...
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Answered by Scott H. • Maths tutor
26951 Views

How have artists employed the human body in Italian art forms?

This is a big question but there are several structures you could use if given an essay question like this so makes it handy for revision:Overall questions to think about: Does the human body lend itself uni...
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2956 Views

How do I ace the French oral?

Grammar is key: as the hardest aspect of the French language, proving you have this under control is vital. Be bold: use subjunctives e.g. Il me semble pas que (it doesn't seem to me), Pourvu que (provided t...
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Answered by Apolline B. • French tutor
2989 Views

Explain how skeletal muscle contracts.

Muscle fibers are comprised of elongated myofibrils. A myofibril is made of repeating chains of sarcomeres which have no nucleus but have myosin and actin filaments which are able to slide past each other du...
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Answered by Daniel R. • Biology tutor
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