NCERT 6th Class (CBSE) Science: Separation of Substances – Quiz
20 Multiple Choice Questions related to NCERT 6th Class (CBSE) Science: Separation of Substances – Quiz:
- We can get know as salt is dissolved in the water but chalk is never dissolved because it is insoluble. So if we see it is dissolved it is salt and if it dose not dissolve it is chalk.
- We will find whether it is pure or not by checking the boiling point. If the boiling point is 100°C it is it is pure and f it is less then 100°C it is impure.