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Atoms and Molecules — Science STD 10 — Question

Tamilnadu BoardEnglish MediumSTD 10ScienceAtoms and Molecules1 Mark
MCQ
The atomicity of $\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7$ is
  • A
    9
  • ✓
    11
  • C
    10
  • D
    12
✓

Answer

Correct option: B.
11
11

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