Question 8:
Assertion: The impure salt can be purified by the crystallization process.
Reason: The process of crystallization is an example of physical change.
Question 8
Paheli’s mother made a concentrated sugar syrup by dissolving sugar in hot water. On cooling, crystals of sugar got separated. This indicates a: (a) physical change that can be reversed (b) chemical change that can be reversed (c) physical change that cannot be reversed (d) chemical change that cannot be reversed