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प्रश्न
Manganese is used in ______.
पर्याय
Storage batteries
Steel Making
Copper smelting
Petroleum Refining
MCQ
रिकाम्या जागा भरा
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उत्तर
Manganese is used in Steel Making.
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Minerals of North America
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संबंधित प्रश्न
The nucleus for the development of the Chota Nagpur plateau region is ______.
Match the following
| 1. | Bauxite | Cement |
| 2. | Gypsum | Aircraft |
| 3. | Black Gold | Electrical goods |
|
4. |
Iron ore | Coal |
| 5. | Mica | Magnetite |
______ is the basic raw material for the cement industry.
______ is the hardest mineral.
The mineral ore from which aluminium is mainly obtained.
______ is the first metal used by man.
Name the mineral which is used to harden steel during manufacturing.
How are deposits of bauxite formed and aluminium obtained?
______ is an aluminium ore.
What is the origin of the word petroleum?
