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Acids, Bases and Salts — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7ScienceAcids, Bases and Salts1 Mark
MCQ
Sulphurous acid turns $........$ litmus paper $..........:$
  • ✓
    Blue, red
  • B
    Red, blue
  • C
    Red, red
  • D
    Blue, blue
✓

Answer

Correct option: A.
Blue, red
Sulphurous acid turns blue litmus red as it is the property of acids to turn blue litmus red.

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