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Class 12Chemistryd-and f-Block ElementsGeneral Characteristics
Easy

Platinum,palladium,iridium,etc.,are called noble metals because

  • A
    Alfred Noble discovered them
  • B
    They are inert towards many common reagents
  • C
    They are shining,lustrous,and pleasing to look at
  • D
    They are found in an active state
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Class 12 Questions

Class 12

Chemistry Questions

Chapter

d-and f-Block Elements

Subtopic

General Characteristics

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