MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Mineral Resources

Assertion :Al...

Question

Assertion :All the ores are mineral Reason: Ores contain metals in combined state

A

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

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

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

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

Assertion is correct but Reason is incorrect

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

D

Assertion is incorrect and Reason is correct

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C Assertion is correct but Reason is incorrect
Those minerals which contains high percentage of the metal and from which, it it profitable to extract the the metal are known as ores.
All ores are minerals but all minerals are not ores.
The metals present in the ore may be either in free state or in combined state. Usually they are present in combined state.
Thus, Assertion is correct but Reason is incorrect.

Suggest Corrections

thumbs-up

0

Similar questions

Q. Assertion: The compressibility factor for

H_{2}

H e

(1 + \frac{P b}{R T})

Reason: The compressibility factor for

H_{2}

H e

can be derived from Van der Waal's equation.

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

Q. Assertion: The impurities such as

{SiO}_{2}

present in iron ore is removed by

{CaCO}_{3}

CaO

formed by decomposition of

{CaCO}_{3}

{SiO}_{2}

Assertion: All the points (1, 0), (-1, 0), (2, 0) and (5, 0) lie on the x – axis.
Reason: Equation of the x-axis is y = 0

Choose the correct option.

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.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Mineral resources

BIOLOGY

Watch in App

explore_more_icon

Explore more

Mineral Resources

Standard VIII Biology

Join BYJU'S Learning Program

CrossIcon