56. A sample of chloroform before using as an anaesthetic, is tested by

1. 1. Fehling's solution

   
   
   

   2. Ammonical cuprous chloride

   
   
   

   3. Ammonical silver nitrate solution

   
   
   

   4. Silver nitrate solution after boiling with alcoholic KOH

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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57. Rochelle's salt is

1. 1. Sodium potassium tartrate

   
   
   

   2. Sodium tartrate

   
   
   

   3. Potassium tartrate

   
   
   

   4. Calcium tartrate

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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58. Which one of the following can be purified by sublimation ?

1. 1. F₂

   
   
   

   2. CI₂

   
   
   

   3. Br₂

   
   
   

   4. I₂

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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59. The optimum temperature for carrying out fermentation of molasses is

1. 1. O^°C

   
   
   

   2. 30^°C

   
   
   

   3. 60^°C

   
   
   

   4. 100^°C

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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60. All bonds in benzene are equal due to

1. 1. Isomerism

   
   
   

   2. Tautomerism

   
   
   

   3. Inductive effect

   
   
   

   4. Resonance

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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