A brisk effervesce occurs, when nitric acid is added to egg shell. This is because egg shell compri

Q. A brisk effervesce occurs, when nitric acid is added to egg shell. This is because egg shell comprises__?
Answer: Calcium Carbonate
Notes: Egg shell contains calcium carbonate. When nitric acid is added to it, carbon dioxide is evolved and brisk effervesce happens.

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