Across
- 3. Image that cannot be obtained on a screen
- 5. Lens which converges light rays
- 6. Base that is soluble in water
- 7. Enzyme in saliva that breaks down starch
- 9. Gas evolved when metal reached with acid
- 10. What is the functional unit of kidney
- 12. Reaction in which two or more elements or compound combine to form one product
- 14. Chemical name of CaO (quicklime )
- 15. Site of gaseous change in human lungs
Down
- 1. Mirror that converges light rays
- 2. Reaction when a substance gain oxygen
- 4. The bending of light when it passes from one medium to another
- 8. Green pigment present in plants
- 11. Blood component responsible for clotting
- 13. The unit power of a lens