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Describe how and explain why vegetable oils are hardened for use in foods. [5 marks]

Hydrogenation is used to add hydrogens to the vegetable oil molecules. This process gets rid of the double bonds in the molecular structure, making the molecules saturated, which lowers the melting point of ...
NM
Answered by Nadia M. • Chemistry tutor
4066 Views

What is the best preparation for the Oxford TSA?

Practice! While the TSA differs from ordinary school exams in that there is no content to revise for as such, it is not the case that there is nothing to prepare for! There is a definite skill to answering 5...
HR
Answered by Holly R. • TSA Oxford tutor
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Tell us something that you are interested in doing in your free time and why.

I am really interested in working voluntary, which is something I have done many times. Lately, I worked voluntary as an English teacher through the Hellenic Red Cross in Greece. My main duties were to teach...
OC
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Why do modern liberals defend the principle of social welfare?

The principle of social welfare is the idea that the state has a responsibility to intervene in the lives of citizens in order to ensure a basic standard of living, for instance through policies such as prog...
HR
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A ladder 6·8m long is leaning against a wall. The foot of the ladder is 1·5m from the wall. Calculate the distance the ladder reaches up the wall.

We have a right angle triangle in this problem. We can use Pythagoras' theorem - the square of the hypotenuse is equal to the sum of the squares of the other two sides of the right angle triangle . We will d...
MV
Answered by Mohan V. • Maths tutor
3958 Views