31. Milk is a

1. 1. mixture

   
   
   

   2. element

   
   
   

   3. metal

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   Milk is a mixture composed of water, along with fat and sugar.

   Correct Option: A

   Milk is a mixture composed of water, along with fat and sugar.

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32. A detergent is a

1. 1. cleansing agent

   
   
   

   2. drug

   
   
   

   3. catalyst

   
   
   

   4. soap

   
   
   

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1. View Hint View Answer Discuss in Forum

   A detergent is a cleansing agent.

   Correct Option: A

   A detergent is a cleansing agent.

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33. 'Yellow Cake' an item of smuggling across border is

1. 1. a crude from of heroin

   
   
   

   2. a crude from of cocaine

   
   
   

   3. uranium oxide

   
   
   

   4. unreformed gold

   
   
   

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1. View Hint View Answer Discuss in Forum

   Yellow cake is a solid from of mixed uranium oxide, which is produced from uranium ore in the uranium recovery (milling) process.

   Correct Option: C

   Yellow cake is a solid from of mixed uranium oxide, which is produced from uranium ore in the uranium recovery (milling) process.

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34. Uric acid is present in

1. 1. Soda water

   
   
   

   2. Rancid butter

   
   
   

   3. Sour milk

   
   
   

   4. Urine of mammals

   
   
   

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1. View Hint View Answer Discuss in Forum

   Uric acid is present in the urine of mammals.

   Correct Option: D

   Uric acid is present in the urine of mammals.

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35. Source of Vitamin C is

1. 1. Nitric acide

   
   
   

   2. Ascorbic acid

   
   
   

   3. Oxalic acid

   
   
   

   4. Maleic acid

   
   
   

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1. View Hint View Answer Discuss in Forum

   Ascorbic acid is the source of Vitamin-C.

   Correct Option: B

   Ascorbic acid is the source of Vitamin-C.

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