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How do I revise for my Maths GCSE exam?

Firstly, ensure that you have all of the notes from class (or from tutoring sessions) from throughout the year. If you do not have all of the topics that are covered in the exam in your book, then you need t...
NB
Answered by Nathan B. • Maths tutor
4777 Views

NaOH + HCl --> ____ + ___

NaOH + HCl --> NaCl + H2O This is a typical acid-base reaction. The general formula for these reactions are Acid + Base --> Salt + Water. The metal in the base and the non-metal in the acid react to fo...
HR
Answered by Hannah R. • Chemistry tutor
16550 Views

How to differentiate a function?

Let's look at the function y = 3x^2 + 6x + 3. Differentiating it gives us the derivative of y: dy/dx = 6x + 6. The original function has three terms. Let's look at each term: 3x^2 (^2 means to the power of 2...
ES
Answered by Edmunds S. • Maths tutor
9089 Views

How do I structure an answer for my GCSE RS paper?

Hiya! The question type depends which exam board. Which are you on? find relevant past papers ... For the long answer it is best if you go for about 5 paragraphs. You will want an introduction, 3 points, and...
EH
16615 Views

Which are the principles and application of IR spectroscopy

IR spectroscopy is a technique that can be employed for both quantitative and qualitative analysis. It is based upon the interaction between electromagnetic waves and compounds. However while the UV waves ca...
BM
3006 Views