Question

(i) Physical changes are easily reversible. (ii) Physical change does not produce new substance (iii) Physical change does not involve change in mass. Which of the following statement is correct?

• A. (i)
• B. (i) and (ii)
• C. (ii) and (iii)
• D. (i), (ii) and (iii)

Answer 1

The correct option is D

(i), (ii) and (iii)

Physical change occurs when substance undergoes a change that does not change their chemical composition. So the process can be reversible. There is no new subtance formed and therefore it does not involve any change in mass.