Across
- 1. name one metal which exist in free state
- 7. acid suffix used for acid
- 8. I am constant during refraction guess who am I
- 10. c60also known as
- 12. n butane and and 2 methylpropane are
- 13. decay if pH of the mouth is less than 5.5 causes
- 14. Hgs is called
- 16. converging lens
- 18. a current carrying helical coil is known as
Down
- 2. valence bond theory proposed by
- 3. in thermite reaction who acts as a reducing element
- 4. the substance which does not take participate in a chemical reaction but changes the rate of reaction
- 5. red strontium chloride gives.. flame
- 6. unit of power
- 9. most electron affinity element
- 11. Nano tubes is invented by
- 15. ore froth flotation method is used for
- 17. evaporation is a
- 18. if you want high resistance then what we have to connected resistors in series and parallel