ICSE CHEMISTRY Sulphuric acid worksheet 1

SULPHURIC ACID
WORKSHEET 1

a) Answer the following questions pertaining to the Contact process.

i) Name the acid prepared in this process.

ii) Name the mineral of Iron and Sulphur used to prepare Sulphur dioxide.

iii) Write the balanced equation for the catalytic oxidation reaction.

iv) Which gas is oxidized in the above reaction?

v) State any two conditions for the above reaction.

b) Sulphuric acid is dibasic acid and it produces _________________ salt and _____________ salt with bases.

c) Complete and balance the following:

i) Zn + H₂SO₄ ⟶ __________ + __________

ii) CuO + H₂SO₄⟶ __________ + __________

iii) Na₂S+ H₂SO₄ ⟶ _________ + ___________

d) Choose the property from A, B, C, D and E shown by the Sulphuric acid in the following reactions/.

A) Non-volatile acid B) Drying agent C) Dehydrating agent D) dil. Acid

E) Oxidizing agent.

i) H₂SO₄+ CuO ⟶ ________ + ___________

ii) Cu + H₂SO₄ ⟶ _________ + __________ + ___________

iii) NaCl + H₂SO₄ ⟶ __________ + ___________

e) Differentiate between i) dil HCl and dil. H₂SO₄

ii) dil. HNO₃ and dil. H₂SO₄

f) State your observations, along with balanced equations, when Conc. H₂SO₄is:

i) added to sugar crystals

ii) Blue Copper sulphate crystals