Minerals, Rocks, Ores, Fossil Fuels Quiz

Which are the most frequent elements in the litosphere?

• oxigen, nitrogen, hidrogen, aluminium

• oxigen, natrium, iron

• silicon, magnesium, hidrogen

• calcium, potassium, silicon

What are the characteristics of a mineral?

• Artificial, inorganic, solid, indefinite chemical composition

• Naturally occurring, inorganic, solid, definite chemical composition

• Naturally occurring, inorganic, solid, indefinite chemical composition

• Naturally occurring, organic, liquid, definite chemical composition

Which mineral is the most abundant in Earth's crust?

• Diamond

• Quartz

• Calcite

• Halite

What is the chemical composition of quartz?

• SiO2

• CaCO3

• NaCl

• Si2O3

What is the chemical composition of rock salt (halite)?

• N2Cl4

• NCl

• NaCl

• Na2Cl

What is the Mohs hardness of calcite?

• 3

• 7

• 5

• 1

Which type of rock is formed from the solidification of molten rock material?

• Igneous

• Sedimentary

• Metamorphic

• Organic

Where do intrusive igneous rocks crystallize?

• Above Earth's surface

• In the ocean basins

• Below Earth's surface

• In the Earth's mantle

What is the main component of granite?

• Sulfur

• Calcite

• Halite

• Feldspar

Which type of igneous rock forms small crystals due to quick cooling?

• Obsidian

• Andesite

• Granite

• Basalt