The ionic equation for the above process shows the charges involved. State symbols are added and ions in solution \((aq)\)are separated with a \( +\) sign. \(H ...

The Edexcel GCSE maths exam is spread over three separate papers and each part is worth 80 marks SCHOOLKIDS all over the country will be preparing for their GCSE maths exam. While it is normal to feel ...

Some quadratics cannot be factorised. An alternative method to solve a quadratic equation is to complete the square. To solve an equation of the form \(x^2 + bx + c = 0\) consider the expression ...

SCHOOLKIDS all over the country will be preparing for their GCSE maths exam. While it is normal to feel worried and stressed, there are lots of ways you can prepare for the test and give yourself the ...