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COMEDK2013Chemistryd and f Block Elements

Which metal is used to make alloy steel for armour plates, safes and helmets ?

Options

  1. AAl
  2. BMn
  3. CCr
  4. DPb

Correct answer

B. Mn

Step-by-step solution

Mn is used to make alloy steel for armour plates, safes and helmets as Mn increases harden-ability by lowering transformation points and causing transformation to be sluggish.

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