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What do I need to know about fractional distillation?

Fractional distillation is covered in almost every GCSE chemistry course, although what you need to know varies slightly by syllabus. The main points to take away are explained below.Why do we do frac...

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Answered by Sophie V. Chemistry tutor
19432 Views

I'm finding all the tenses really hard to get to grips with, have you got any advice?

Absolutely. Firstly, I'd recommend taking some A4 sheets of paper and some coloured pencils. Take the present tense first and write out the -er, -ir and -re common endings, each on one page. Stick thes...

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Answered by Sophie M. French tutor
3386 Views

How do I recognise Baroque style?

There are many defining features of Baroque style, but perhaps the easiest way to recognise it is by listening to the instruments.

The harpsichord was the main Baroque keyb...

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Answered by Susie B. Music tutor
15185 Views

What is the best way to go about answering a long answer biology question?

Answering questions in biology that offer more marks is all about key words - usually the examiner has a few of these in front of them that offer a mark simply for using the word in your answer. The go...

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Answered by Daisy Y. Biology tutor
7294 Views

Calculate the percentage, by mass, of carbon in sodium hydrogencarbonate (NaHCO3)

When faced with this style of problem there are steps to correctly answer the quesion:

Step 1 - identify the atomic mass of carbon

Step 2 - calculat...

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Answered by Hayden T. Chemistry tutor
43253 Views

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