Jaisul Naik
GCSE Science | Chemistry of the Atmosphere
Atmospheric gases now
* 80% Nitrogen
* 20% Oxygen
* 0-1% other gases
GCSE Science | Potable Water
Pure water
* no substances added to it
* check the boiling
GCSE Science | Periodic Table
Group Number
* the columns (1, 2, 3, ... 8)
* the number
GCSE Science | Chemical Analysis
Testing for gases
* oxygen - use a glowing splint -
GCSE Science | Fuel Cells
Anode
* the electrode where oxidation happens
Cathode
* the electrode where
GCSE Maths Test | Circle Theorems | Edexcel
Question 1
In terms of x
A-Level Maths Test | Trig Modelling | OCR A
IN PROGRESS
Question
A-Level Maths Test | Implicit Differentiation | OCR A
IN PROGRESS
A-Level Maths Test | Binomial Expansion | OCR A
IN PROGRESS
Question