Assertion :Minerals are naturally occuring chemical substances in the earth's crust obtainable by mining. Reason: Minerals are also known as ores.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is C Assertion is correct but Reason is incorrect
Only those minerals which are viable to be used as sources of metal are known as ores.

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Similar questions

Assertion (A) Order of the reaction can be zero or fractional.

Reason (R) We cannot determine order from balanced chemical equation.

(a) Both assertion and reason are correct and the reason is correct explanation of assertion
(b) Both assertion and reason are correct, but reason does not explain assertion.
(c) Assertion is correct, but reason is incorrect
(d) Both assertion and reason are incorrect
(e) Assertion is incorrect but reason is correct.

Assertion (A) Rate constant determined from Arrhenius equation are fairly accurate for simple as well as complex molecules.

Reason (R) Reactant molecules undergo chemical change irrespective of their orientation during collision.

Q. Assertion :Minerals are naturally occurring chemical substances in the earth's crust obtainable by mining. Reason: Minerals are also known as ores.

Q. Assertion: The impurities such as

{SiO}_{2}

present in iron ore is removed by

{CaCO}_{3}

.

Reason:

CaO

formed by decomposition of

{CaCO}_{3}

reacts with

{SiO}_{2}

to form slag.

Assertion – The non-fusible impurities present in iron ore are removed by $C a C O_{3}$ .

Reason: $C a C O_{3}$ which decomposes into $C a O$ and $C O_{2}$ . The $C a O$ formed reacts with $S i O_{2}$ to remove silica

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Assertion :Minerals are naturally occuring chemical substances in the earth's crust obtainable by mining. Reason: Minerals are also known as ores.

The correct option is C Assertion is correct but Reason is incorrectOnly those minerals which are viable to be used as sources of metal are known as ores.

The correct option is C Assertion is correct but Reason is incorrect
Only those minerals which are viable to be used as sources of metal are known as ores.