21. When sodium benzoate is heated with soda lime, we get

1. 1. taluene

   
   
   

   2. ethylene

   
   
   

   3. benzene

   
   
   

   4. aniline

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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22. Charring of sugar is due to

1. 1. oxidation

   
   
   

   2. reduction

   
   
   

   3. dehydration

   
   
   

   4. reduction and hydration

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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23. The energy stored in the cells of a living body is in the form of

1. 1. fats

   
   
   

   2. glucose

   
   
   

   3. ATP

   
   
   

   4. Proteins

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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24. Which of the following has magnesium ?

1. 1. Carbonic anhydrase

   
   
   

   2. Vitamin B₁₂

   
   
   

   3. Chlorophyll

   
   
   

   4. Heamocyanine

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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25. Which one of the following contains cobalt ?

1. 1. Chlorophyll

   
   
   

   2. Haemoglobin

   
   
   

   3. Vitamin C

   
   
   

   4. Vitamin B₁₂

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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