Tag: commercial applications

Questions Related to commercial applications

What is Kolar ?

commercial applications treasure under the ground conservation of mineral resources distribution and conservation of mineral resources indian mineral and power resources

  1. Oil field in Assam

  2. A hydro-electric scheme in Bihar

  3. Gold fields in Karnataka

  4. A salt factory in Sambhal

Show answer
Correct Option: C
Explanation:

Kolar gold fields were the only large scale gold production mines in India. It was eventually closed down in 2001 due to low grade gold production. Bharat Gold Mines LImited (BGML) was responsible for gold mining in this area.

Koderma in Jharkhand is the leading producer of which one of the following minerals?

commercial applications treasure under the ground conservation of mineral resources distribution and conservation of mineral resources indian mineral and power resources

  1. Bauxite

  2. Mica

  3. Iron ore

  4. Copper

  5. None of these

Show answer
Correct Option: B
Explanation:

Koderma is the leading producer of Mica. It is located in Hazaribagh belt of Jharkhand. Jharkhand, as a whole, is quite rich in minerals.

In which of the following minerals in India not self sufficient?

commercial applications treasure under the ground conservation of mineral resources distribution and conservation of mineral resources indian mineral and power resources

  1. Copper

  2. Iron ore

  3. Coal

  4. Mica

Show answer
Correct Option: A
Explanation:

India is critically deficient in the reserve and production of copper. The Balaghat mines in Madhya Pradesh, Khetri mines in Rajasthan and Singhbhum district of Jharkhand are leading producers of copper. 

Name the rock which is made of one mineral ?

commercial applications treasure under the ground conservation of mineral resources distribution and conservation of mineral resources indian mineral and power resources

  1. Backlight

  2. Stone

  3. Gemstone

  4. Limestone

Show answer
Correct Option: D
Explanation:

Limestone is a sedimentary rock composed primarily of calcium carbonate (CaCO3) in the form of the mineral calcite. It most commonly forms in clear, warm, shallow marine waters

Minerals are deposited and accumulated in the strata of which ofthe following rocks?

commercial applications treasure under the ground conservation of mineral resources distribution and conservation of mineral resources indian mineral and power resources

  1. Sedimentary rocks

  2. Metamorphic rocks

  3. Igneous rocks

  4. Solid rocks

  5. None of these

Show answer
Correct Option: A
Explanation:

In sedimentary rocks a number of minerals occur in beds or layers. They have been formed as a result of deposition, accumulation and concentration in horizontal strata. Coal and some forms of iron ore have been concentrated as a result of long periods under great heat and pressure. 

Which of the following is not a mineral ?

commercial applications treasure under the ground conservation of mineral resources distribution and conservation of mineral resources indian mineral and power resources

  1. Slate

  2. Limestone

  3. Coal

  4. Calcite

Show answer
Correct Option: A

Match List - I with List - II and select the correct answer from the codes given below the lists :

List - I List - II
A. Bauxite  1. Lead
B. Haematite 2. Thorium
C. Galena 3. Aluminium
D. Monazite 4. Iron
commercial applications treasure under the ground conservation of mineral resources distribution and conservation of mineral resources indian mineral and power resources

  1. A-3, B-4, C-1, D-2

  2. A-4, B-2, C-1, D-3

  3. A-3, B-1, C-4, D-2

  4. A-2, B-4, C-3, D-1

Show answer
Correct Option: A
Explanation:

 

Bauxite is the most important ore of aluminum which contains only 30–54% alumina, Al2O3; the rest is a mixture of silica, various iron oxides, and titanium dioxide along with trace amounts of zinc, phosphorous, nickel, vanadium etc

 

Hematite, also spelled as haematite, is a common iron oxide with a formula called Fe2O3 and has been widespread in rocks and soils

 

Galena, also called lead glance, is the natural mineral form of lead(II) sulfide (PbS)

 

The mineral monazite is a reddish-brown phosphate containing rare earth metals and an important source of thorium, lanthanum, and cerium

 

 

 

The largest solar power plant in India is located at __________.

commercial applications treasure under the ground conservation of mineral resources distribution and conservation of mineral resources indian mineral and power resources

  1. Kamuthi in Tamil Nadu

  2. Madurai in Tamil Nadu

  3. Madhapur in Gujarat

  4. Madhapur in Madhya Pradesh

Show answer
Correct Option: A
Explanation:

 India's largest solar power plant is located in the Kamuthi in Tamil Nadu spread over 2,500 acres (10 sq km) and consisting of 2.5 million solar panels.

A famous gold mine in India is _____________.

commercial applications treasure under the ground conservation of mineral resources distribution and conservation of mineral resources indian mineral and power resources

  1. Kalar

  2. Kolar

  3. Kashmir

  4. Palar

Show answer
Correct Option: B
Explanation:

Kolar in Karnataka has deposits of gold in India. These mines are among the deepest in the world which makes mining of this ore a very expensive process. 

The mineral which is made up of plates or leaves is _______.

commercial applications treasure under the ground conservation of mineral resources distribution and conservation of mineral resources indian mineral and power resources

  1. Manganese

  2. Mica

  3. Nickel

  4. Copper

Show answer
Correct Option: B
Explanation:

Mica is a mineral made up of a series of plates or leaves. It splits easily into thin sheets. These sheets can be so thin that a thousand can be layered into a mica sheet of a few centimeters high.