MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Energy Change in Chemical Reaction

A chemical ch...

Question

A chemical change can be identified by change in colour of the substance.

A

False

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

B

True

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

Open in App

Solution

The correct option is B True

Suggest Corrections

thumbs-up

0

Similar questions

Q. What will you take into account while identifying the following?
(a) A physical change in a substance.
(b) A chemical change in a substance.

Q. Chemical change can be identified by a change in shape and size.

A chemical change in a solution can be identified by

Q. The chemical reaction between two substances is characterised by a change in colour from orange to green, these two substances are most likely to be :

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.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Types of Chemical Reaction

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Energy Change in Chemical Reaction

Standard IX Chemistry

Join BYJU'S Learning Program

CrossIcon