121. Ferrosilicon is used the steel industry as

1. 1. Cutting tool

   
   
   

   2. Flux

   
   
   

   3. A reducing agent

   
   
   

   4. Alloyint agent

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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122. Asbestos is silicate mineral of calcium and

1. 1. K

   
   
   

   2. Al

   
   
   

   3. Ba

   
   
   

   4. Mg

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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123. Which alloy can have iron also

1. 1. Monel metal

   
   
   

   2. Constantan

   
   
   

   3. Aluminium bronze

   
   
   

   4. Brass

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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124. 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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125. 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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