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Assertion: For the extraction of iron,haematite ore is used.
Reason: Haematite is a carbonate ore of iron.

Which one of the following ores is known as Malachite?

Naturally occurring substances from which a metal can be profitably (or economically) extracted are called

Azurite is an ore of

Calamine and Malachite,respectively,are the ores of :

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