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Metals and Non-Metals — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceMetals and Non-Metals1 Mark
MCQ
Acetic acid reacts with solid sodium hydrogen carbonate :
  • A
    Slowly forming no gas.
  • ✓
    Vigorously with effervescence.
  • C
    Slowly without effervescence.
  • D
    Vigorously without gas formation.
✓

Answer

Correct option: B.
Vigorously with effervescence.
When acetic acid reacts with sodium hydrogen carbonates then brisk effervescence are observed.
These effervescence are evolved due to the release of carbon dioxide from sodium hydrogen carbonate.

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