6. Alcoholic fermentation is brought about the action of

1. 1. Yeast

   
   
   

   2. CO₂

   
   
   

   3. O₂

   
   
   

   4. CO

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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7. Which of the following is not a reducing sugar ?

1. 1. Sucrose

   
   
   

   2. Glucose

   
   
   

   3. Fructose

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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8. The biocatalyst are

1. 1. Enzymes

   
   
   

   2. Minerals

   
   
   

   3. Plants

   
   
   

   4. All proteins

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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9. In the Ostwald's process for manufacture of HNO₃ the catalyst used is

1. 1. Fe

   
   
   

   2. Pt

   
   
   

   3. V₂O₅

   
   
   

   4. Mo

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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10. TEL minimise the knocking effect when mixed with petrol, it acts as

1. 1. Positive catalyst

   
   
   

   2. Negative catalyst

   
   
   

   3. Auto catalyst

   
   
   

   4. Induced catalyst

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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