6. Red lead is

1. 1. PbO

   
   
   

   2. Pb₂O

   
   
   

   3. Pb₂O₃

   
   
   

   4. Pb₃O₄

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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7. Which is the following is known is ?

1. 1. NaOCI

   
   
   

   2. NaCI

   
   
   

   3. HCIO₄

   
   
   

   4. HCIO₂

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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8. Litharge is chemically

1. 1. PbO

   
   
   

   2. PbO₂

   
   
   

   3. Pb₃O₄

   
   
   

   4. Pb(CH₃COO)₂

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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9. The compound used as refrigerant is

1. 1. CF₄

   
   
   

   2. CCI₄

   
   
   

   3. CCI₂F₂

   
   
   

   4. COCI₂

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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10. Which one is called inorganic benzene (borazole) ?

1. 1. B₆H₆

   
   
   

   2. N₆H₆

   
   
   

   3. C₆H₆

   
   
   

   4. B₃N₃H₆

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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