Classification and Types of Minerals

Q. Minerals are homogenous and naturally occurring substances. What do we mean when we say that a substance is homogenous?

1. They have a definite internal structure.
2. All minerals have uniform appearance.
3. They have uniform properties throughout.
4. They are naturally occurring substances.

Q. Which of the following are characteristics of a mineral?

1. Homogenous
2. Heterogenous
3. Definite structure
4. Indefinite structure

Q. What is chalk primarily made up of?

1. Iron
2. Copper
3. Limestone
4. Bronze

Q. Which of the following can be classified under the broad division of minerals?

1. Ferrous minerals
2. Energy minerals
3. Non-metallic minerals
4. Non-Ferrous minerals

Q. Select the statement(s) that is/are true in the context of a mineral.

1. A mineral is heterogeneous because it shows uniform properties throughout.
2. Minerals are naturally occurring substances and are not man-made or manufactured in a factory.
3. Minerals have definite internal structure as the arrangement of chemical elements in a mineral are fixed.
4. A mineral is homogeneous because it has uniform properties throughout.

Q. is made from limestone.

1. Eraser
2. Vinegar
3. Chalk
4. Crayon

Q. In the classification of minerals, which mineral does not form the group of valuable metallic minerals?

1. Copper
2. Silver
3. Gold
4. Platinum

Q. The first tools to be produced by humans were metal tools.

1. True
2. False

Q. The first tools to be produced by humans were metal tools.

1. True
2. False

Q. Assertion (A) : If you extract mineral X from India and mineral X from South Africa and study their internal structure, they will be exactly alike.
Reason (R) : Minerals have a definite internal structure.

1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is the not the correct explanation of (A).
3. (A) is true but (R) is false.
4. (A) is false but (R) is true.

Q. What is the carbon content of the lignite coal?

1. 20%-360%0%
2. 30%-40%
3. 40%-60%
4. 60%-80%

Q. Which of the following are non-metallic minerals?

1. Mica
2. Lead
3. Copper
4. Granite

Q. What is the colour of lignite coal?

1. Dark black
2. Gery
3. Brown
4. Blue

Q. Select the non-metallic minerals from the following.

1. Gold
2. Mica
3. Iron
4. Asbestos
5. Granite
6. Limestone
7. Manganese
8. Quartz

Q. Select the statement(s) that is/are true in the context of a mineral.

1. A mineral is heterogeneous because it shows uniform properties throughout.
2. Minerals are naturally occurring substances and are not man-made or manufactured in a factory.
3. Minerals have definite internal structure as the arrangement of chemical elements in a mineral are fixed.
4. A mineral is homogeneous because it has uniform properties throughout.

Q. Minerals are homogenous and naturally occurring substances. What do we mean when we say that a substance is homogenous?

1. They have a definite internal structure.
2. They are naturally occurring substances.
3. They have uniform properties throughout.
4. All minerals have uniform appearance.

Q. The mineral present in chalk or limestone is .

1. bauxite
2. calcite
3. granite
4. magnetite

Q. The mineral present in chalk or limestone is .

1. bauxite
2. calcite
3. granite
4. magnetite

Q. Select the non-metallic minerals from the following.

1. Gold
2. Mica
3. Iron
4. Asbestos
5. Granite
6. Limestone
7. Manganese
8. Quartz