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

Mexico is the largest producer of which mineral?

1. Silver
2. Gold
3. mica
4. copper

The mineral widely used for making alloy

1. copper
2. limestone
3. manganese
4. silver