d and f BLOCK ELEMENTS MCQ Quiz: GKFix - Bridge of Knowledge

Question 386

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Which metal from the coinage group is mentioned as an example in the text?

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Which elements are still referred to as coinage metals in the text?

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Which group are the coinage metals traditionally part of?

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Which element is used for the pigment industry according to the text?

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What is the basis of iron and steel production mentioned in the text?

Melting pure iron and adding impurities.
Heating iron ore directly without reduction.
Reduction of iron oxides, removal of impurities, and addition of carbon and alloying metals.
Only the addition of carbon to iron.