A physical change is temporary and can be reversed by changing the condition in most cases.

True

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

False

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A True
A change in which the physical properties of a substance get altered, without the formation of a new substance, is called a physical change.
It can be observed and specified like changes in color, hardness, rigidity, fluidity, density, melting point, boiling point, etc. are the physical changes.
A physical change does not involve any change in composition and can be reversed. For example, the Change of states of matter.
Thus, the given statement is true. I.e., A physical change is temporary and can be reversed by changing the condition in most cases.

Suggest Corrections

Similar questions

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

show that a physical change can easily be reversed??

Q. Following are the observations of changes that have taken place. Classify them into chemical change or a physical change. [5 MARKS]

1. The change is temporary and can be reversed by changing the conditions in most of the cases.
2. New substance(s) is/are formed.
3. The chemical properties of the original substance remain the same.
4. There is an exchange of energy during this change which means that heat and light may be given out or absorbed.
5. As a result of the change, there may or may not be any change in the energy possessed by the original substance.
6. There is no change in the chemical composition of the original substance.
7. The change is permanent and cannot be reversed by changing the conditions or through ordinary physical processes.
8. There may or may not be any change in the state, size, shape, colour, and smell of the substance that undergoes this change.
9. The composition and the properties of the parent substance or substances change.
10. There is usually a change in the mass of the parent substance/s as well.

In a physical change, which of the following takes place?
(i) No new substance is formed.
(ii) The change is reversible
(iii) The change is temporary

"A change can be reversed by changing the condition". give an example to support the statement.

Join BYJU'S Learning Program