ICSE 1996 : SCIENCE Paper 2 (Chemistry) - Question 4(b) Answer the following.

SCIENCE
Paper 2 (Chemistry) - 1996
(One hour and a half)

Question 4
(b)

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1.
(i) What volume of hydrogen sulphide at STP will burn in oxygen to yield 12.8 g sulphur dioxide according to the equation:
2H₂S + 3O₂ ———> 2H₂O + 2SO₂
(H = 1, O = 16, S = 32)

2.
(ii) For the volume of hydrogen sulphide determined in (b) (i) above, what volume of oxygen would be required for complete combustion?

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