Chemistry
1)Covalent Compounds are generally ..........
  

2)Which statement is true.
  

3)Which statement is true.
  

4)Which of the following is an odd compound ?
  

5)Which one of the following is unsaturated hydrocarbon ?
  

6)Two neighbours of homologous series differ by
  

7)General formula of alkyne is
  

8)Which of the following represents ketones?
  

9)Which of the following represents alkynes?
  

10)Which of the following is not an aliphatic hydrocarbon ?
  

11)Complete combustion of a hydrocarbon gives
  

12)Which is NOT correct for isomers of a compund ?
  

13)Buckminsterfullerene is an example of ________of carbon
  

14)Who prepared urea the first time by heating ammonium cynate ?
  

15)Butanone is a four-carbon compound with the functional group
  

16)Major constituent of LPG is ____________
  

17)The gas used in welding and cutting metals is
  

18)Which of the following is best electrical conductor
  

19)Which of the following is NOT True for metals
  

20)In general the number of electrons in the outermost shell of a metal atom is 
  

21)Bauxite is an ore of which metal
  

22)Which of the following pairs will give displacement reactions ?
  

23)Which of the following methods is suitable for preventing an iron frying pan from rusting ?
  

24)An element reacts with oxygen to given a compound with a high melting point.This compound is also soluble in water .The element is likely to be 
  

25)Food cans are coated with tin and not with zinc because 
  

26)Which of the following is a Dobereiners triad? 
  


  


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