1. Petroleum gas is a mixture of ethane, propane and butane. What is its major constituents?

1. 1. Eathane

   
   
   

   2. Propane

   
   
   

   3. Butane

   
   
   

   4. All three are present in equal propertions

   
   
   

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   Its main constituent is butane which burns giving off a lot of heat. Butane is easily liquefied under high pressure.

   Correct Option: C

   Its main constituent is butane which burns giving off a lot of heat. Butane is easily liquefied under high pressure.

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2. Candles contains a mixture of

1. 1. Bees wax and paraffin wax

   
   
   

   2. Bees wax and stearic acid

   
   
   

   3. Paraffin wax and stearic acid

   
   
   

   4. Higher fatty acid

   
   
   

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1. View Hint View Answer Discuss in Forum

   Candles contain a mixture of paraffin wax and stearic acid.

   Correct Option: C

   Candles contain a mixture of paraffin wax and stearic acid.

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3. C11 - L - methyl-methionine is used for

1. 1. brain tumor and parathyroid imaging

   
   
   

   2. stomach analysis

   
   
   

   3. bone imaging

   
   
   

   4. live imaging

   
   
   

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1. View Hint View Answer Discuss in Forum

   brain tumor and parathyroid imaging

   Correct Option: A

   brain tumor and parathyroid imaging

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4. 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

   Kerosene is a mixture of Aliphatic-hydrocarbons.

   Correct Option: B

   Kerosene is a mixture of Aliphatic-hydrocarbons.

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5. LPG is mixture of

1. 1. C₆H₁₂ + C₆H₆

   
   
   

   2. C₄H₁₀ + C₃H₈

   
   
   

   3. C₂H₂ + C₂H₄

   
   
   

   4. CH₄ + C₂H₄

   
   
   

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1. View Hint View Answer Discuss in Forum

   LPG is a mixture of C₄H₁₀ (Butane), C₃H₈ (propane) and C₂H₆ (ethane). Main constituent is butane (C₄H₁₀).

   Correct Option: B

   LPG is a mixture of C₄H₁₀ (Butane), C₃H₈ (propane) and C₂H₆ (ethane). Main constituent is butane (C₄H₁₀).

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