Amina observed that crystals of copper sulphate are formed in the solution, when a 3 saturated solution of copper sulphate has cooled. Will the solution be still remained as saturated? Why?

Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.

Identify the missing numbers below to show the result of multiplying the numbers (1.6 × 10-19)(5.0 × 106) = c × 10d

Areaction in which products can react to re-form reactants is