Kerala Board Solutions for Chapter: Chemical Changes, Exercise 5: Exercise 5
Author:Kerala Board
Kerala Board Science Solutions for Exercise - Kerala Board Solutions for Chapter: Chemical Changes, Exercise 5: Exercise 5
Attempt the free practice questions on Chapter 6: Chemical Changes, Exercise 5: Exercise 5 with hints and solutions to strengthen your understanding. Science for Class 8 - Part 1 solutions are prepared by Experienced Embibe Experts.
Questions from Kerala Board Solutions for Chapter: Chemical Changes, Exercise 5: Exercise 5 with Hints & Solutions
HARD
8th Kerala Board
IMPORTANT
| Cell | Instrument in which it is used |
| Dry cell | Radios |
| Cameras | |
| Clocks | |
| Toys | |
| Mercury cell | Watches |
| Calculator | |
| Electronic instruments | |
| Nickel- cadmium cell | Rechargeable torches |
| Cameras | |
| Lithium ion cell | Mobile phone |
| Laptops |
- What do we do with these types of cells after their use?
- Which among these cells can be recharged and reused?
- Do they cause environmental pollution?
