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Acids, Bases and Salts — CHEMISTRY STD 7 — Question

ICSE BoardEnglish MediumSTD 7CHEMISTRYAcids, Bases and Salts1 Mark
MCQ
The gas evolved when an active metal reacts with an acid is
  • ✓
    hydrogen
  • B
    oxygen
  • C
    nitrogen
  • D
    carbon dioxide
✓

Answer

Correct option: A.
hydrogen
hydrogen

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