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 … [Read more...] about Chemical Changes
rusting of iron
Effects of Oxidation Reaction in Everyday Life
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