41. The nitrogen percentage is the highest in the fertilizer

1. 1. Ammonium nitrate

   
   
   

   2. Ammonium sulphate

   
   
   

   3. Calcium cyanamide

   
   
   

   4. Urea

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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42. Aqueous solution of bleaching powder gives a test for

1. 1. Only Ca²⁺ ions

   
   
   

   2. Only OCI^- ions

   
   
   

   3. Only CI^- ions

   
   
   

   4. All CI^-, OCI^- and Ca²⁺ ions

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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43. Which one of the following is the strongest base ?

1. 1. AsH₃

   
   
   

   2. SbH₃

   
   
   

   3. PH₃

   
   
   

   4. NH₃

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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44. Match the following
    

    	List-I		List-II
    I.	Synthesis of ammonia	(A)	Haber process
    II.	Purification of titanium	(B)	Van Arkel method
    III.	Manufacture of caustic soda	(C)	Castner-kellner process
    IV.	Purification of bauxite	(D)	Mona's process
    		(E)	Solvay's process
    		(F)	Hoop's process

    Code

    A.	I-A, II-B, III-C, IV-F
    B.	I-B, II-C, III-E, IV-A
    C.	I-C, II-F, III-D, IC-B
    D.	I-A, II-B, III-F, IV-D

1. 1. A.

   
   
   

   2. B.

   
   
   

   3. C.

   
   
   

   4. D.

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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45. Bleaching powder is obtained by the interaction of CI₂ and

1. 1. Dilute solution of Ca(OH)₂

   
   
   

   2. Dry CaO

   
   
   

   3. Conc. solution of Ca(OH)₂

   
   
   

   4. Dry slaked lime

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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