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Chemistry

Properties of H2SO4 are listed below. Choose the property A, B, C or D which is responsible for the reactions (i) to (v).

A : Acid
B: Dehydrating agent
C: Non-volatile acid
D: Oxidizing agent

(i) C12H22O11+ nH2SO4 ⟶ 12C + 11H2O + nH2SO4

(ii) S + 2H2SO4 ⟶ 3SO2 + 2H2O

(iii) NaCl + H2SO4 ⟶ NaHSO4 + HCl

(iv) CuO + H2SO4 ⟶ CuSO4 + H2O

(v) Na2CO3 + H2SO4 ⟶Na2SO4 + H2O + CO2

(Some properties may be repeated)

Sulphuric Acid

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Answer

(i) B: Dehydrating agent

(ii) D: Oxidizing agent

(iii) C: Non-volatile acid

(iv) A : Acid

(v) A : Acid

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