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

Which one of the following is the hardest mineral?

  1. Iron

  2. Talc

  3. Bauxite

  4. Diamond
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
  1. Diamonds are at the top of Friedrich Mohs scale of mineral hardness next comes topaz, quartz, feldspar, apatite, fluorite, calcite, gypsum.
  2. They are incredibly hard because they have crystallized in a particular atomic shape that resulted from heat and pressure on Earth at a depth of 140 to 150km.
Multiple choice commercial applications treasure under the ground conservation of mineral resources distribution and conservation of mineral resources indian mineral and power resources

Which one of the following minerals belongs to the category of ferrous minerals?

  1. Gold

  2. Copper

  3. Manganese

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

  1. Ferrous metals may include a lot of different alloying elements.
  2. Some examples are chromium, nickel, molybdenum, vanadium, manganese. 
  3. Those give ferrous steels material properties that make them widely used in engineering. 

A list of ferrous metal properties:

  • Durable
  • Great tensile strength
  • Usually magnetic
  • Low resistance to corrosion
  • A silver-like colour
  • Recyclable
  • Good conductors of electricity

 

 

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

Minerals need to be conserved because _________.

  1. They are infinite and non-renewable

  2. They are finite and renewable

  3. They are finite and non-renewable

  4. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
  • Minerals are natural resources which are limited.
  • If they are continuously mined and used they will get exhausted.
  • The geological processes of mineral formation are so slow that the rate of replenishment is small in comparison to the present rates of consumption.
Multiple choice commercial applications treasure under the ground conservation of mineral resources distribution and conservation of mineral resources indian mineral and power resources

Which one is not a ferrous mineral?

  1. Iron ore

  2. Manganese ore

  3. Gold

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

Ferrous minerals are those minerals contain iron - metallic in nature e.g. iron ore, manganese. Non-Ferrous minerals are those minerals that do not iron .e.g. copper, gold, lead etc.

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

Odisha is the leading producer of which one of the following minerals?

  1. Copper

  2. Iron ore

  3. Manganese ore

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

Odisha is the largest producer of manganese ores in India. It accounted for one-third of the country’s total production in 2000-01.