Question

check the purity of
Chemical given to him, Suggest a method
with subtable reason​

Answer 1

Answer:

Percentage purity of a substance can be calculated by dividing the mass of the pure chemical by the total mass of the sample, and then multiplying this number by 100.

Answer 2

Answer:

To check the purity of a given chemical,

1. you can do it by boiling method.

For it you have to know what is the particular chemical's boiling point, if it boils on that point then it is pure. If there is a change in that point then it is impure.

2. You can check it by method of sublimation

If there is any kind of residue left after the process then it is impure.