136. Match the List-I with List-II and select the correct answer using the codes given below the Lists
     

     	List-I		List-II
     F.	Blue vitriol	1.	Sodium bicarbonate
     G.	Epsom salt	2.	Sodium hydroxide
     H.	Baking soda	3.	Magnesium sulphate
     J.	Caustic soda	4.	Copper sulphate

     Codes :

     	F	G	H	J
     A.	3	4	2	1
     B.	4	3	2	1
     C.	3	4	1	2
     D.	4	3	1	2

1. 1. A.

   
   
   

   2. B.

   
   
   

   3. C.

   
   
   

   4. D.

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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137. Which of the following metals do not form amalgam ?

1. 1. Zinc

   
   
   

   2. Copper Magnesium

   
   
   

   3. Iron

   
   
   

   4. .

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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138. Which of the following compounds of zine is white when cold and yellow when hot ?

1. 1. ZnS

   
   
   

   2. ZnCl₂

   
   
   

   3. ZnSO₄

   
   
   

   4. ZnO

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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139. Merscuric sulphide dissolves in aqua-regia to from

1. 1. Hg₂Cl₂

   
   
   

   2. HgCl₂

   
   
   

   3. Hg(NO₃)Cl

   
   
   

   4. Hg₂ (NO₃)₂

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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140. A metal gives two cholrides A and B. A give black ppt with NH₃ and B gives white, With Kl, B gives a yellow ppt, which is soluble in excess of Kl, A and B are respectively

1. 1. Hg₂Cl₂, HgCl₂

   
   
   

   2. HgCl, Hg₂Cl₂

   
   
   

   3. ZnCl₂, HgCl₂

   
   
   

   4. HgCl₂, ZnCl₂

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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