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Class 12Chemistryp-Block Elements (Class 12)Nitrogen family
Medium

How can the brown color of $HNO_3$ be removed?

  • A
    By adding $Mg$ powder
  • B
    By boiling the acid
  • C
    By passing $NH_3$ through the acid
  • D
    By passing air through the warm acid
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Class 12 Questions

Class 12

Chemistry Questions

Chapter

p-Block Elements (Class 12)

Subtopic

Nitrogen family

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