Minerals and Its Properties

Q.

Is Diamond a rock?

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.

14. Why iron appears different from copper and aluminium.

Q. Which of the following is guaranteed to contain metal in its raw form?

1. Metallic minerals
2. Non-metallic minerals
3. Quarried minerals
4. Drilled minerals

Q. A is a substance with a definite chemical composition, formed without any human interference.

1. mineral
2. resource
3. rock

Q. Minerals can be classified as _____ minerals.

1. metallic and non-metallic
2. mining and drilling
3. ferrous and non-ferrous
4. drilling and quarrying

Q. What do you call a naturally occurring substance that has a definite chemical composition termed as?

1. Environment
2. Mineral
3. Resources
4. Atmosphere

Q. Metalic mineral can be obtained by______.

1. Ferrous and Non-ferrous
2. Mining and Quarrying
3. Open Cast and Shaft
4. Drilling and Mining

Q. (a) Define the terms (i) mineral (ii) ore, and (iii) gangue.
(b) What is meant by the 'concentration of ore'?
(c) Name one ore of copper (other than cuprite). Which compound of copper is present in this ore? Also, write its chemical formula.

Q. is the property of a mineral to resist deformation.

1. Solubility
2. Density
3. Hardness

Q. Density, hardness, and colour are examples of physical properties of minerals.

1. False
2. True

Q. Which of the following best describes a metal?

1. Substances without any physical properties
2. A substance without any definite shape
3. Substances without chemical composition
4. Hard substances that conduct heat and electricity and have a characteristic lustre or shine

Q. Which one among the following is not true?

1. Minerals are concentrated in a particular area or rock formations.
2. Minerals are evenly distributed over space.
3. Some minerals are found in areas that are not easily accessible.
4. Minerals are composed of one or two elements and they can be identified by their physical and chemical properties.

Q. A is a substance with a definite chemical composition, formed without any human interference.