How can we check the purity of a substance?
Dear student!
The purity of a substance is checked by determination of its melting point, because the melting point is fixed for each substance and it is lowered if the impurity is mixed.
The purity of a substance can be tested by checking its _________ or __________.
Identify the physical property that can help to check the purity of a substance.
Which property of a substance checks its purity?
Name two properties of a substance to check its purity?