Question

A. Short answer type questions.
1. What happens when carbon dioxide is blown into limewater?
2. What happens when limestone is heated? 3. Explain neutralization reaction with the help of a suitable example.
4. What happens when calcium oxide is placed in water?
5. What is an antacid?
6. Why do coloured crystals of copper sulphate turn into white powder on heating?​

Answer 1

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• We can see small and sparky light with light beem and hear a crinkly sound. . .

Answer 2

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• We can see small and sparky light with light beem and hear a crinkly sound.
• Crystallization is defined as a process by which a chemical is converted from a liquid solution into a solid crystalline state.