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प्रश्न
What is a mineral?
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उत्तर १
Minerals are substances that are naturally present in the earth and are not formed from animal or vegetable matter.
उत्तर २
Minerals, whether organic or inorganic, have distinct chemical and physical properties.
संबंधित प्रश्न
Write true or false
Metals can be profitably extracted from ores.
Match the columns
| Column A | Column B |
| 1. bauxite | i. metallic mineral |
| 2. copper | ii. black gold |
| 3. limestone | iii. light metal |
| 4. anthracite | iv. non-metallic mineral |
| 5. petroleum | v. coal |
Answer the following question in brief:
What is an ore?
Answer the following question in brief:
Mention any two characteristics of iron ore.
Answer the following question in brief:
Mention the different types of iron ore.
Answer the following question in one or two paragraphs
Give an account of iron ore production in the world.
Picture study.
Look at this picture of the inside of an iron and steel industry and answer the following questions
1. Which are the major producers of iron and steel in Asia?
2. Which states in the south of India produce a large quantity of iron and steel?
Match the following
| 1. | Bauxite | Salem |
| 2. | Gypsum | Servaroy hills |
| 3. | Iron | Coimbatore |
| 4. | Limestone | Tiruchirapalli |
Bring out the mineral distribution in Tamil Nadu.
______ is a deposit in the earth's crust with one or more value minerals.
