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Minerals, Ores and their Formation

Every mineral...

Question

Every mineral is an ore.

A

True

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B

False

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Solution

The correct option is B False
A mineral is a substance that contains a metal in its pure or combined form. An ore is a mineral from which a metal can be extracted easily and profitably.

Every mineral is not an ore.

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Q. What is an ore? On what basis a mineral is chosen as an ore?

Q. Give the correct order of initials T or F for following statements. Use T if statement is
true and F if it is false.
(i) Every mineral is an ore but every ore is not a mineral.
(ii) Slag is a product formed during extraction of metal by combination of flux and impurities.
(iii) Highly pure metals can be obtained by zone refining.
(iv) Carnallite is an ore of magnesium and sodium.

Q. Give the correct order of initials

T

F

for the following statements. Use

T

if statement is true and

F

if it is false.
(I) Every mineral is an ore but every ore is not a mineral.
(II) Slag is product formed during extraction of metal by combination of flux and impurities.
(III) Highly pure metals can be obtained by zone refining.
(IV) Carnallite is an ore of magnesium and sodium.

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