Chahal's Gyan Ki Baat
ORES OF METAL USED IN ALLOYS: MANGANESE AND TUNGSTEN
WHAT IS MANGANESE?
- It is not found as a free element.
- It is often found with iron.
- Its most important ore is pyrolusite.
WHAT ARE USES OF MANGANESE?
- It is used in the iron and steel industry.
- Also, as raw material for manufacturing steel alloys.
- It is also used in the producing
- Bleaching powder
- Insecticides
- Paints
- Batteries
WHERE IS MANGANESE ORE LOCATED IN INDIA?
- Its reserve in India is in abundance.
- Found in the Dharwar and Kuddapa.
- Second largest reserves in the world.
- India is the world’s fifth-largest producer.
- Major manganese ore-producing states:
- Maharashtra
- Madhya Pradesh
- Odisha
- Andhra Pradesh
- Maharashtra and Madhya Pradesh produce more than half of production.
WHAT IS TUNGSTEN?
- Ore of Tungsten is called wolframite.
- It is self-hardening which it imparts to steel.
- Major Worlfram is used by the steel industry.
- Steel with tungsten is mainly used in manufacturing;
- Amunitions
- Armour plates
- Heavy guns
- Hard cutting tool
- It can be transformed to hard facing, heat and corrosion resistant alloys.
- It is also used in electric bulb filaments, paints, ceramics, etc.
WHERE IS TUNGSTEN ORE LOCATED IN INDIA?
