ICSE 2005 : SCIENCE Paper 2 (Chemistry) - Question 5 (c) Manufacture of iron.

SCIENCE

Paper 2 (Chemistry) - 2005

(One hour and a half)

Question 5
(c) In the manufacture of Iron, a mixture of Limestone, Coke and Iron ore is added to the blast furnace. In this context:-

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76.
(i) State the purpose of adding Limestone to the furnace.

77.
(ii) Give the equation for the reduction of the Iron ore.

78.
(iii) Name the substance which is collected along with Cast iron at the bottom of the furnace.

79.
(iv) Write the chemical equation for the formation of the substance named in (iii) above.

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