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Haematite, the ore of iron undergo roast...

Haematite, the ore of iron undergo roasting: Which impurity is not removed by this method?

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Haematite, the ore of iron undergo roasting: How is it removed then? Explain.

Carbonate ore of iron is______.

Assertion: If pure haematite is used as an ore for iron extraction, there is no need of roasting Reason: In the extraction of iron, final product in roasting is Fe_2O_3

Concentrated Cu_2S is converted into oxide by roasting. How impurities like sulphur and phosphorus are removed in this process?

a) Which is the main ore of iron? b) Which compound acts as the reducing agent in the production of iron c) Name the furnace which is used for the industrial preparation of iron.

. Hematite is converted into iron by using the blast fumace . Which are the substances fed into the blast furnace along with the ore of iron ?

Calcination isused to convert zinc carbon- ateinto zinc oxide. But cuproussulphate is converted into cuprousoxide by roasting: What happens to the ore when it is subjected to calcination?

Assertion : Levigation is used for the separation of oxide ores from impurities. Reason : Ore particles are removed by washing in a current of water.

Iron ore is reduced to iron by reaction with