201. Ozone may not act as

1. 1. Bleaching agent

   
   
   

   2. Dehydrating agent

   
   
   

   3. Oxidising agent

   
   
   

   4. Reducing agent

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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202. Sulphur molecule is

1. 1. S₃

   
   
   

   2. S₂

   
   
   

   3. S₄

   
   
   

   4. S₈

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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203. H₂S₂O₈ is called

1. 1. Persulphuric acid

   
   
   

   2. Pyrosulphurus acid

   
   
   

   3. Pyrosulphuric acid

   
   
   

   4. Dithionic acid

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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204. Sulphuric acid has great affinity for water because

1. 1. It hydrolyses the acid

   
   
   

   2. It decomposes the acid

   
   
   

   3. Acid forms hydrates with water

   
   
   

   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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205. Which one of the following is unhydrous of nitrous and

1. 1. N₂O

   
   
   

   2. N₂O₃

   
   
   

   3. N₂O₄

   
   
   

   4. NO

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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