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 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?