UP Board Class 12 th Chemistry paper 1 is scheduled to be held on February 20, 2018, and Paper 2 will be held on February 22, 2018. Students find chemistry a difficult subject because of the chemical ...

When using chemical formula it is possible to calculate the percentage composition of the chemical. This can be useful when extracting metals from ores or when making fertilisers for specific plants.

It is shown that an algebraic method may always be used to balance chemical equations. The method is equally applicable to REDOX reactions, complex organic reactions, ionic reactions, etc. It is not ...