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Is Matter Around Us Pure — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceIs Matter Around Us Pure1 Mark
MCQ
A homogenous mixture of two gases is:
  • A
    Brass
  • B
    Graphite
  • C
    Air
  • D
    Nitrogen
✓

Answer

  1. Air

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