GCSE Chemistry
Here are few materials to support GCSE Chemistry students. A-level tutorials can be found below.

What is "mole" ?
This video explain what the term mole mean for GCSE Chemistry Students.
Carboxylic acids
This is an explination for GCSE student to understand what a carboxylic acid is in organic chemistry.
A-Level Chemistry
A -level Chemistry tutorials can be found below and will be suitable for all examboards.

KP Calculation
This is an in dept explaination of a KP calculation I have used an AQA exam paper here
Mole calculation
Exam question for making a standard solution and mole calculation
Redox half equations
Exam question on redox half equations
Redox with conc H2SO4
Exam questions of halides with conc sulfuric acid showing reducing ability down group 7
Transition metals reactions
exam question showing reaction of complex ions -transition metal reactions ligand exchange and deprotonation