• Skip to main content
  • Skip to secondary menu
  • Skip to primary sidebar

Class Notes

Free Education for All

  • Class 1-5
  • Class 6
  • Class 7
  • Class 8
  • Class 9
  • Class 10
  • Class 11
  • Class 12
  • NCERT Solutions
    • NCERT Books

rusting of iron

Chemical Changes

Last Updated on March 20, 2019 By Mrs Shilpi Nagpal 5 Comments

Crystallisation of copper sulphate

Question 1 What is meant by rusting of iron? State two conditions necessary for rusting of iron? How rusting damages iron objects? Question 2 What happens when an iron nail is kept immersed in copper sulphate solution?Question 3 What happens when baking soda is added to vinegar? Give its chemical reaction?Question 4 What happens when carbon dioxide is passed through lime … [Read more...] about Chemical Changes

Effects of oxidation Reaction in Everyday Life

Last Updated on August 21, 2020 By Mrs Shilpi Nagpal 2 Comments

Question 1 Explain the term corrosion with an example? Question 2 Explain the term rancidity? Question 3 What are anti-oxidants.Give example? Question 4 Why anti-oxidants are added to fat and oil containing foods? Question 5 Why food containing oil and fat are packed in nitrogen? Question 6 State methods to prevent the food from getting rancid? Effects of … [Read more...] about Effects of oxidation Reaction in Everyday Life

Primary Sidebar

Recent Posts

  • Chapter 2 The Adventures of Toto
  • Chapter 1 The Lost Child
  • Chapter 11 If I were You
  • Chapter 10 Kathmandu
  • A slumber did My spirit Seal (Poem)
  • The Snake Trying (Poem)
  • Chapter 9 The Bond of Love
  • The Beggar Class 9 English, Moments – Summary, Explanation, Word Meanings
  • The Accidental Tourist Class 9 English, Moments – Summary, Explanation, Word Meanings
  • Email
  • Facebook
  • Pinterest
  • RSS
  • Twitter

Copyright © 2022 · About Us · Contact Us · Privacy Policy