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Periodic Classification of Elements — Science STD 10 — Question

Tamilnadu BoardEnglish MediumSTD 10SciencePeriodic Classification of Elements1 Mark
MCQ
The ore which can be purified by gravity separation method is _____.
  • A
     Haematite
  • B
     oxide ores
  • C
    sulphide ores
  • ✓
    both (a) and (b).
✓

Answer

Correct option: D.
both (a) and (b).
both (a) and (b).

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