61. Petrol/gasoline is a mixture of

1. 1. Alcohol

   
   
   

   2. Carbohydrates

   
   
   

   3. Hydrocarbons

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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62. Which of the following compounds is commonly used as antifreeze in automobile radiators ?

1. 1. CH₃OH

   
   
   

   2. C₂H₅OH

   
   
   

   3. Glycerol

   
   
   

   4. All of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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63. The compound, which is used in refrigeration is

1. 1. CH₄

   
   
   

   2. CCI₄

   
   
   

   3. CCI₂F₂

   
   
   

   4. COCI₂

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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64. The antiseptic action of CHI₃ is due to

1. 1. Iodofrom itself

   
   
   

   2. Liberation of free iodine

   
   
   

   3. Partially due to iodine and partially due to CHI₃ itself

   
   
   

   4. None of the above

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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65. The explosive nitroglycerine is

1. 1. An ester

   
   
   

   2. A salt

   
   
   

   3. A soap

   
   
   

   4. A complex compound

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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