Chemistry
Write balanced chemical equations: when hot and concentrated sulphuric acid reacts with the following:
(a) Sulphur
(b) NaOH
(c) Sugar
(d) Carbon
(e) Copper
Sulphuric Acid
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Answer
(a) S + 2H2SO4 ⟶ 3SO2 ↑ + 2H2O
(b) 2NaOH + H2SO4 ⟶ Na2SO4 + 2H2O
(c) C12H22O11 12C + 11H2O
(d) C + 2H2SO4 ⟶ CO2 + 2H2O + 2SO2 ↑
(e) Cu + 2H2SO4 ⟶ CuSO4 + 2H2O + SO2 ↑
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