Across
- 2. Name the liquid non-metal.
- 3. Plaster of Paris is obtained by heating?
- 5. Calcium phosphate is present in tooth enamel. Its nature is _______
- 9. Acid present in tomato.
- 11. Plaster of Paris hardens by mixing with?
- 13. This acid is formed when sulphur trioxide reacts with water.
Down
- 1. Nitric acid is an example of ___________.
- 4. This element is stored under water.
- 6. The acid obtained from curd is ______
- 7. Slaked lime is prepared by adding water to ________.
- 8. Nahco3 is chemical formula of
- 10. The constituent of haemoglobin is _______
- 12. Which one of the following types of medicines is used for treating indigestion?