General Awareness · Geography

Minerals and Ores

1,185 Questions

Minerals and ores encompass the extraction, identification, and economic significance of naturally occurring crystalline substances. Topics cover specific ores like cinnabar and bauxite, alongside global mineral resource distribution. Candidates preparing for general awareness and geography sections should review these questions to master regional and global mineral reserves.

Ore identificationMineral extractionGlobal mineral reservesIndustrial minerals

Minerals and Ores Questions

Multiple choice mysuru division our karnataka history bengaluru division

________ is a mineral found only in the Mysuru division.

  1. Granite

  2. Limestone

  3. Manganese

  4. Felsite
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Karnataka is the only Indian state where felsite is produced. Large occurrences of Felsite rocks are reported to have been found in Mysore. Felsite display either grey or pink colour as well a combination of both these colours.

Multiple choice political science meaning and importance of political science introduction to political science study of political science scope and significance of political science

Which is the main use of manganese?

  1. Iron and steel industry

  2. Bleaching powder

  3. Insecticides

  4. Batteries
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The main use of manganese is for making iron and steel and it is used as the basic raw material for making its alloy. Nearly 66kg of manganese is required for manufacturing one tonne of steel. Small quantities of manganese are used for manufacturing bleaching powder, insecticides, paints and batteries.

Multiple choice geography mineral and energy resources - ii mineral resources - petroleum mineral fuels energy resources

Which mineral is called 'liquid gold'?

  1. Coal

  2. Gold

  3. Petroleum

  4. Iron
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Petroleum is called liquid gold. It is so called to imply its significance. It shows that the petroleum is as significant as gold and also tells us that it is as difficult as finding gold. Without petroleum world’s economy would collapse. It is the main source of energy for transportation sector.

Multiple choice geography mineral and energy resources - ii mineral resources - petroleum mineral fuels energy resources

Coal and petroleum can be categorised as ________ minerals.

  1. Renewable

  2. Fuel

  3. Metallic

  4. Precious
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Coal and petroleum are categorised as fuel minerals. Fuel minerals are mainly three types namely coal, petroleum and natural gas. These are carbonaceous fuels. These are extracted from earth and are formed by fossil decomposition and are hence called fossil fuels. These fuels form major source of energy.

Multiple choice geography manufacturing industries in india - ii : mineral-based distribution of major industries automobile and electronic industries electronic, heavy and petrochemical industries in india

Which of the following industries was de-reserved in 1993?

  1. Atomic energy

  2. Mining of copper and zinc

  3. Atopic minerals

  4. none of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

 

Mining of copper and zinc was de-reserved in 1993 according to national mining policy.

This was done to attract private investors in mine exploration.

This was amended several times to provide reasonable concession to attract the private sector investment 

Multiple choice geography rocks and rock cycle rock cycle and uses of rocks rocks - introduction and importance lithosphere and asthenosphere

Rocks are the economic significance because _________________.

  1. They provide soils.

  2. They provide metals.

  3. They provide minerals.

  4. All of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
  • Rocks are the parent material for soil.
  • Rocks are also found in form of ores which serve as a source of various metals.
  • Rocks are the source of various minerals like phosphates and nitrates.
  • Hence all are correct.
Multiple choice aluminium patterns and properties of metals chemistry

The common impurities present in bauxite are:

  1. ${ Fe } _{ 2 }{ O } _{ 3 },{ SiO } _{ 2 }$
  2. $NaCl,{ MgCl } _{ 2 }$
  3. ${ AlCl } _{ 3 },{ MgCl } _{ 2 }$
  4. ${ CaCl } _{ 2 },{ MgCl } _{ 2 }$
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Bauxite has a number of impurities in it including iron oxides(hematite and goethite), $Fe _2O _3$ the sand silicon dioxide $SiO _2$ the clay mineral Kaolinite and asmall amount of $TiO _2$ known as Anatase.

Hence option A is correct answer.

Multiple choice aluminium patterns and properties of metals chemistry

Bauxite, diaspore and cryolite are the ore of the:

  1. aluminium

  2. zinc

  3. copper

  4. silver
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Bauxite-$Al _2O _3$

Dispore- repeating units $AlO(OH)$
Cryolite- $Na _3AlF _6$
These are ores of aluminiunm.