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Class 10 - Science - CHAPTER 2: Acids, Bases and Salts - Short Answer QuestionsQuestion 35
Class 10 - Science - CHAPTER 2: Acids, Bases and Salts - Short Answer Questions
Question. 35
35. What happens when nitric acid is added to egg shell?
Answer:
Egg shells (CaCO₃) react with HNO₃ to give calcium nitrate, water and carbon dioxide: \(\mathrm{CaCO_3 + 2HNO_3 \to Ca(NO_3)_2 + H_2O + CO_2}\).
Detailed Answer with Explanation:
Steps: Egg shell contains calcium carbonate. Acid reacts producing CO₂ gas (bubbling), soluble nitrate and water.