121. p - nitrophenol and o - nitrophenol are separated by

1. 1. Crystallisation

   
   
   

   2. Fractional distillation

   
   
   

   3. Distillation

   
   
   

   4. Steam distillation

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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122. A compound containing only carbon, hydrogen and oxygen, has a molecular weight of 44. On complete molecular weight 60. The original compound is

1. 1. An aldehyde

   
   
   

   2. An acid

   
   
   

   3. An alcohol

   
   
   

   4. An ether

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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123. Which of the following have high electron offinity ?

1. 1. CI

   
   
   

   2. F

   
   
   

   3. N

   
   
   

   4. O

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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124. Match List - I (Industrial process) with List - II (Industry with which associated) and select the correct answer using the code given below the lists
     

     	List-I		List-II
     F.	Cracking	1.	Rubber
     G.	Smelting	2.	Petroleum
     H.	Hydrogenation	3.	Copper
     J.	Vulcanization	4.	Edible fats

     Code

     	F	G	H	J
     A.	3	2	1	4
     B.	2	3	4	1
     C.	2	3	1	4
     D.	3	2	4	1

1. 1. A.

   
   
   

   2. B.

   
   
   

   3. C.

   
   
   

   4. D.

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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125. Marsh gas mainly contains

1. 1. C₂H₂

   
   
   

   2. CH₄

   
   
   

   3. H₂S

   
   
   

   4. CO

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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