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ICSE Class 7 Chemistry Question 3 of 16

Metals and Non-metals — Question 1

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Question

Question 1

Give the common name and chemical name of an ore of –

(a) zinc

(b) Aluminium

(c) iron

Answer

The common name and chemical name of ores of following elements are:

S.
No.		MetalCommon NameChemical Name
(a)ZincZinc blendeZinc sulphide [ZnS]
(b)AluminiumBauxiteAluminium oxide [Al2O3.2H2O]
(c)IronHaematiteIron [III] oxide [Fe2O3]