Across
- 2. Phenolphthalein changes to this colour in alkaline solution
- 5. these salts produce carbon dioxide on reaction with acids
- 7. This sort of series is a family of organic compounds
- 8. A metal that exists as a liquid at room temperature
- 11. Element used by Rutherford during his alfa-scattering experiment
- 12. Quantum of light energy
- 13. both brass and bronze are an alloy of this element
- 14. sp3 hybridized carbon has this geometry
- 15. Hair and nails are made up of this protein
- 17. Alcohol produced by the fermentation of sugarcane
- 18. the solution having pH greater than 7
- 19. Proposed the electronic structure of an atom
Down
- 1. This food flavouring is a dilute solution of acetic acid
- 3. Important metal in the mineral content of bones
- 4. Acid produced by ants stings and bites
- 6. Fruity smelling substance obtained from the reaction between alcohol and carboxylic acid
- 9. A white lusturous metal used for ornaments tarnish to black on exposure to air.
- 10. proposed the theory of the existence of Atom
- 13. The toxic gas produced by incomplete combustion of organic compounds
- 16. Method to find the concentration of acid or alkali