Minerals and Mineral Types

Q.

Kimberley is famous for the mines of which of the following minerals?

1. Silver

2. Granite

3. Sulphur

4. Diamond

Q. Which of the following is not a type of mining?

1. None of the above
2. Open Cast Mining
3. Quarrying
4. Shaft Mining

Q. How many total types of overall extraction methods are there ?

1. 2 - Open Caste Mining, Shaft Mining
2. 3 - Mining, Quarrying, Drilling
3. 2 - Quarrying, Drilling
4. 2 - Mining, Quarrying

Q.

Name two lustrous metals.

Q. What are minerals? Mention three types of minerals.

Q. We can say that most of the metals are _______.

1. good conductors of electricity
   
2. good conductors of heat
   
3. brittle
   
4. lustrous
   

Q. When we compare the weight of gold metal with a pyrite of the same size, we find that gold is heavier. This is because gold is than pyrite.

1. denser
2. more soluble
3. harder

Q. Rocks from which minerals can be extracted or mined profitably are called ores.

1. True
2. False

Q. Hardness is a mineral's ability to resist being deformed.

1. False
2. True

Q. Identify the constituents of Sial.

1. Silica
2. Alumina
3. Silicon
4. Aluminium

Q. Identify the constituents of Sima.

1. Silicon
2. Magnesium
3. Silica
4. Manganese

Q. Minerals are made up of definite mixtures of atoms or molecules.

1. True
2. False