MINERALS

Which of the following is not a characteristic of minerals?

• They are created by natural processes

• They have a definite chemical composition

• They are inexhaustible

• Their distribution is uneven

Which one of these is a non-metallic mineral?

• Iron Ore

• Bauxite

• Limestone

• Manganese

Gold and silver are ________ minerals.

• Ferrous

• Non- Ferrous Minerals

Minerals can be extracted by _____________.

• Mining

• Quarrying

• Drilling

• All of these

Which of the following statements is false

• Minerals are evenly distributed

• Minerals are concentrated in a particular area

• Some minerals are found in places that are not easily accessible

• Minerals are composed of one or two elements

A naturally occurring substance that has a definite chemical composition is a:

• Rock

• Vitamins

• Minerals

• Compound

Minerals that lie at shallow depths are taken out by removing the surface layer:

• Shaft mining

• Open cast mining

• Drilling

• Quarrying

The extraction of Minerals from the Earth is called _____________________

• Rilling

• Mining

• Digging

• Shafting

Three methods by which metals can be extracted are

• Mining,drilling,ore

• Mining,drilling,quarrying

• drilling,digging,quarrying

Rocks from which minerals are mined are known as

• Ore

• Igneous rocks

• Ferrous