State with the largest producer of iron ore

1. Karnataka
2. Chhattisgarh
3. Odisha
4. Jharkhand

It makes steel strong, removes impurities and makes it immune to rusting

1. Copper
2. manganese
3. mica
4. uranium

The largest producer of manganese in the world is

1. USA
2. South Africa
3. Russia
4. Germany

Kazakhistan is the largest producer of

1. mica
2. uranium
3. magnesium
4. silver