SSLC Science One marks English Medium - 13. Carbon And Its Compounds

SSLC Science One marks English Medium - 13. Carbon And Its  Compounds

1. Valency of carbon is ............... (Ans: 4 )
2. Atomic number of carbon is .............. (Ans: 6 )
3. Mass number of carbon is ........................ ( Ans: 12 )
4. The electronic configuration of carbon is ..................... (Ans: 1S2 2S2  2P2 )
5. Which is hold the key to planet and animal life on earth.................. (Ans: Carbon )
6. Which is the building blocks for living organisms......................... (Ans: Carbon )
7. Father of organic chemistry..................   ( Ans: Brezelius. )
8. The first organic compound created in lab................ ( Ans: Urea)
9. Urea is discovered by .......................... (Ans: friedrich wohler )
10. The vital force theory is given by .................... (Ans: Brezelices )
11. The compound urea is prepared from .............. ( Ans: ammonium cydanate. )
12. The allotropy of carbon are .......................... ( Ans: Diamond )
13. The value of kohinoor diamond is .............  ( Ans: 105 carat)
14. The three allotropy of carbon are ..................... ( Ans: Diamond , Graphite & Fullerene )
15. Organic chemistry is ................................. ( Ans: hydrocarbons its derivatives. )
16. An allotrophy of carbon has three dimensional structure and hardness is ................ (Ans: Diamond)
17. An allotrophy of carbon has hexagonal structure and softness is ......................... ( Ans: Graphite )
18. An allotrophy of carbon has foot ball shape is ............................. ( Ans: Fullerene.)
19. The elements has the property of self linking and other atom is .............................( Ans: carbon )
20. The element can exist in more than one form that are physically different but chemically similar called as............. ( Ans: Allotropy )
21. The number of carbon atoms in fullerenes ..................... ( Ans: 60 )