Q.19) A student was asked by his teacher to separate an impure sample of sulphur containing sand as the impurity.He tried to purify it with the help of sublimation buthe was not successful. Particles of sulphur could not be separated completely from sand.c) What is the value based information associated with this?

Q.19) A student was asked by his teacher to separate an impure sample

1.	Q.19) A student was asked by his teacher to separate an impure sample of sulphur containing sand as the impurity.He tried to purify it with the help of sublimation buthe was not successful. Particles of sulphur could not be separated completely from sand.c) What is the value based information associated with this?
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