General Awareness ยท 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

Ore of lead is ______.

  1. gypsum

  2. pyrolusite

  3. magnesite

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

Cerussite is a mineral form of lead carbonate and is one of the most important ores of lead.

Multiple choice

Talc is basic _________.

  1. magnesium silicate mineral

  2. malachite

  3. felspar

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

Talc is a clay mineral composed of hydrated magnesium silicate with the chemical formula Mg3Si4O10(OH)2.

Multiple choice

Ore of uranium is _____.

  1. pitch blende

  2. monazite

  3. cerussite

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

Pitchblende, also known as uraninite, is the primary ore of uranium.

Multiple choice

Malachite is the mineral of

  1. lead

  2. copper

  3. zinc

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

Malachite is a copper carbonate hydroxide mineral, commonly used as an ore of copper.

Multiple choice

The most plentiful mineral is _____.

  1. magnesium silicate mineral

  2. feldspar

  3. malachite

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

Feldspars are a group of rock-forming tectosilicate minerals that make up about 41 percent of the Earth's continental crust by weight, making them the most plentiful minerals.

Multiple choice

Aluminimum is to Bauxite as Iron is to...?...

  1. Pyrite

  2. Magnesite

  3. Pyrolusite

  4. Haematite

  5. None of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Bauxite is the primary ore from which aluminum is extracted. Haematite is the primary ore from which iron is extracted.

Multiple choice

The minerals of garnet group are found in

  1. pyrope

  2. tiphroite

  3. fayalite

  4. willemite

  5. phenakite
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This option is correct because the mineral pyrope is the member of the garnet group. It displays red colouration in the naturals samples.

Multiple choice

Which one of the following minerals is able to act as fluorescent?

  1. Pyrope

  2. Seiferlite

  3. Phenakite

  4. Willemite

  5. (1) and (2) are both correct
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This option is correct because willemite is a zinc silicate mineral, it acts as the highly fluorescent (green) under shortwave U.V. light. These give the different colours daylight.

Multiple choice

Black diamond is:

  1. copper

  2. coal

  3. silver

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

Coal is often referred to as black diamond due to its high value as a primary energy source and its carbon-based composition.