Test: Mineral And Power Resources - 1


10 Questions MCQ Test NCERT Textbooks (Class 6 to Class 12) | Test: Mineral And Power Resources - 1


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QUESTION: 1

Practice Quiz or MCQ (Multiple Choice Questions) with solutions are available for Practice, which would help you prepare for chapter Mineral and Power Resources, Class 8, Social Science Studies. You can practice these practice quizzes as per your speed and improvise the topic.

Q. What would you call a naturally occurring substance that has a definite chemical composition

Solution:
A mineral is a homogeneous naturally occurring substance with a definite but not necessarily fixed chemical composition. Most minerals are solids with an ordered atomic arrangement, and most are inorganic in the chemical sense of that word.

QUESTION: 2

Listed below are a few important facts about Minerals. Which one among the following is not TRUE

Solution:

Minerals are not evenly spread. The place where a particular mineral may differ with respect to the conditions it offers.

QUESTION: 3

Minerals can be identified on the basis of their physical properties. Which one among the following is not a physical property with respect to the minerals?

Solution:

Yes the correct answer is B as all the other properties like colour, hardness,density( weight) are the physical properties they define the physical appearance of the minerals....But presence of sulphides is a chemical property of the minerals as it defines it's chemical composition....

QUESTION: 4

Which one of the following best defines a rock which contains enough mineral to make it economically viable for mining

Solution: Ore is a special type of rock that contains a large enough amount of a particular mineral (usually a metal) to make it economically practical to extract that mineral from the surrounding rock. Not all minerals are found in a large enough amount in one location to make it worth it to remove the ore from the rock through a process known as mining. Ores can be mined in a number of ways, including strip mining as shown here at this uranium mine.
QUESTION: 5

Complete the following in the same order of the sequence as it comes. In the ________ grade ores, the mineral content is high and impurities are less. In the __________ grade ores mineral content is low and impurities are more.

Solution:

A high grade has more concentration of the mineral and less of impurities and vice versa.

QUESTION: 6

Complete the following on the basis of Composition , Minerals can be classified as :

Solution:
QUESTION: 7

Thorium is found in large quantities in the Monazite sands of an important state of India. From the options given, choose the state.

Solution:

Monazite sands are mined for cerium and radioactive thorium oxide. The sands originate in the granites and gneisses of the Western Ghats, and are transported to the coast by more than 47 streams along the Kerala coastline.

QUESTION: 8

Which one of the following contain metal in raw form

Solution:
QUESTION: 9

Which one of the following best describe a Metal

Solution:
QUESTION: 10

Some examples of minerals are given below, pick out the one that is not a metallic mineral

Solution: Limestone is not a metallic mineral.

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