1. Scattering of light takes place in

1. 1. electroplating

   
   
   

   2. electrolysis

   
   
   

   3. solution of electrolyte

   
   
   

   4. colloidal solution

   
   
   

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1. View Hint View Answer Discuss in Forum

   Scattering of light takes place in colloidal solution.

   Correct Option: D

   Scattering of light takes place in colloidal solution.

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2. Which is used in storage batteries?

1. 1. Copper

   
   
   

   2. Lead

   
   
   

   3. Tin

   
   
   

   4. Zinc

   
   
   

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1. View Hint View Answer Discuss in Forum

   Lead is used in storage batteries.

   Correct Option: B

   Lead is used in storage batteries.

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3. Stainless steel contains

1. 1. Fe + Cr + Ni

   
   
   

   2. Fe + Ni + Cu

   
   
   

   3. Fe + Cr + Cu

   
   
   

   4. Fe + C + Ni

   
   
   

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1. View Hint View Answer Discuss in Forum

   Chemically, stainless steels are 75 - 90% iron. They are alloyed with varying amounts of chromium, nickel, and / or molybdenum.

   Correct Option: A

   Chemically, stainless steels are 75 - 90% iron. They are alloyed with varying amounts of chromium, nickel, and / or molybdenum.

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