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Metallurgy — Chemistry STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12ChemistryMetallurgy1 Mark
MCQ
Which one of the following reaction represents calcinations?
  • A
    $2 Zn + O _2 \longrightarrow 2 ZnO$
  • B
    $2 ZnS +3 O _2 \longrightarrow 2 ZnO +2 SO _2$
  • ✓
    $MgCO _3 \longrightarrow MgO + CO _2$
  • D
    Both $2 Zn + O _2 \longrightarrow 2 ZnO$ and $MgCO _3 \longrightarrow MgO + CO _2$
✓

Answer

Correct option: C.
$MgCO _3 \longrightarrow MgO + CO _2$
$MgCO _3 \longrightarrow MgO + CO _2$

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