246. Successive alkens differ by

1. 1. CH₂

   
   
   

   2. CH

   
   
   

   3. CH₃

   
   
   

   4. C₂H₄

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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247. Fisher - Tropsch process is used in the manufacture of

1. 1. Ethane

   
   
   

   2. Benzene

   
   
   

   3. Synthetic petrol

   
   
   

   4. LPG

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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248. Domestic cooking gas consists of mostly

1. 1. Methane and ethane

   
   
   

   2. Liquified butane and iso -butane

   
   
   

   3. Ethylene and carbon monoxide

   
   
   

   4. Hydrogen and acetylene

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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249. Kerosene is a mixture of

1. 1. Aromatic hydrocarbons

   
   
   

   2. Aliphatic hydrocarbons

   
   
   

   3. Saturated hydrocarbons

   
   
   

   4. Alicyclic hydrocarbons

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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250. Which of the following substance is used as antiknock compound ?

1. 1. TEL

   
   
   

   2. Lead terachloride

   
   
   

   3. Lead acetate

   
   
   

   4. C₂H₅PbCI

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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