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Types of Chemical Reactions — Science STD 10 — Question

Tamilnadu BoardEnglish MediumSTD 10ScienceTypes of Chemical Reactions1 Mark
MCQ
Which one of the following is the least reactive element?
  • ✓
     Au
  • B
    Fe
  • C
     Ca
  • D
    Na.
✓

Answer

Correct option: A.
 Au
 Au

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