Is calamine carbonate ore?

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Solution

Calamine: Calamine is made up of two different minerals.
One of which contains Carbonate and the other is not Carbonated.
ZnCO₃ is a formula for Calamine.
Because the Zinc in ZnCO₃ coexists with the Carbonate, it is used for the extraction process of Zinc and not to Carbonate.
The chemical formula of Calamine mineral is Zn₄Si₂O₇(OH)₂H₂O.
Since no Carbonate is present in the mineral of Calamine, there is no possibility of it being a Carbonate ore.
Therefore, Calamine is not an ore of Carbonate, it is an ore of Zinc.

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Similar questions

(a) Name the method by which aluminium metal is extracted.
(b) Give the name and chemical formula of one ore of copper.
(c) How is zinc extracted from its carbonate ore (calamine) ? Explain with equations.

An important ore of zinc metal is :
(a) calamine (b) cuprite (c) pyrolusite (d) haematite

The major ore fo aluminium is known as:
(a) cinnabar (b) calamine (c) bauxite (d) pyrolusite

Q. Match column A with column B and select the correct option:

	Column A (Ore)		Column B (Nature of ore)
(a)	Copper glance	(i)	Sulphate ore
(b)	Calamine	(ii)	Halide ore
(c)	Rock salt	(iii)	Sulphide ore
(d)	Epsom salt	(iv)	Carbonate ore

Match column A with column B and select the correct option.

Match the column

Column I	Column II
A [Ore]	B [Nature of ore]
(a) Copper glance	(i) Sulphate ore
(b) Calamine	(ii) Halide ore
(c) Rock salt	(iii) Sulphide ore
(d) Epsom salt	(iv) Carbonate ore

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