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

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

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

Carbonate ore of iron is______.

Copper is most noble of the first row transition metals and occurs in small deposits in several countries.Ores of copper include chalcanthite (CuSO_4,5H_2O) atacamite (Cu_2Cl(OH)_3) , cuprite (Cu_2O) , copper glance (Cu_2S) and malachite (Cu_2(OH)_3CO_3) . However, 80% of the world copper production comes from chalcopyrite (CuFeS_2) . The extraction fo copper from chalcopyrite involves partial roasting, removal of iron and self reduction. Iron is removed from chalcopyrite as

The equations of the production of iron in the blast furnace are given. Asnwer the fol-lowing questions C+O_2rarrCO_2 , CO_2+crarr2CO , CaCO_3rarrCaO+CO_2 , CaO+SiO_2rarrCaSiO_3 , Fe_2O_3+3COrarr2Fe+3CO_2 : Which substance reduces haematite in the metallurgy of iron? How this redu-cing agent is produced in teh furnace?

Iron ore is reduced to iron by reaction with

. 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?

Features of ore and impurity are given in the table. Write down the method usedfor theseparation of theore. How can we convert ore into its oxide form. Explain with proper examples.

a) Name the ore of Iron? b) Which reduces lon from iron oxide in the blast furnace? c) Write the chemical equation for the reduction of iron.