1. Maleic acid is found in the

1. 1. apples

   
   
   

   2. vinegar

   
   
   

   3. milk

   
   
   

   4. lemons

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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2. The pH value of milk is

1. 1. 2.4

   
   
   

   2. 3.8

   
   
   

   3. 6.6

   
   
   

   4. 8.0

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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3. The acid used to remove rust spot is

1. 1. boric acid

   
   
   

   2. furmic acid

   
   
   

   3. oxalic acid

   
   
   

   4. none

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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4. The matel reacts with an acid to give

1. 1. N₂

   
   
   

   2. O₂

   
   
   

   3. CI₂

   
   
   

   4. H₂

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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5. The sum of pH and pOH in aqueous solution at 25°C is

1. 1. 7

   
   
   

   2. 14

   
   
   

   3. -7

   
   
   

   4. zero

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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