About this document

Class IX Science Exam Questions 2023-24 by R Bhavani Sankar is a document available to read on EtoBox.

1. Ravi performed an experiment where he added substance X to water and observed the solution under a light. Initially, the path of light was visible due to Tyndall effect from colloidal particles. After 10 minutes, the path was no longer visible. 2. The reason for the change in result was that the colloidal particles settled down over time. 3. The nature of the solution formed when adding X to water is a colloidal solution, exhibiting the Tyndall effect.

Author

R Bhavani Sankar

Language

EN