Manganese and Its Distribution in Karnataka

Q. Which mineral is known as the 'jack of all trades'?

1. Manganese
2. Gold
3. Silver
4. Copper

Q. Which among the following minerals are used in the manufacture of steel?

1. Copper
2. Iron
3. Aluminium
4. Manganese

Q.

Name the oxide ores of iron$\left(Fe\right)$, zinc$\left(Zn\right)$, aluminum$\left(Al\right)$ and manganese$\left(Mn\right)$ ?

Q. Which district is the largest producer of manganese ore in Karnataka?

1. Shivamogga
2. Bellary
3. Gadag
4. Mandya

Q. Manganese is most commonly found in which form when it is extracted from sedimentary or metamorphic rocks?

1. Silicate
2. Sulphide
3. Carbonate
4. Oxide

Q. Which area in Bellary district produces 90% of the total manganese ore in Karnataka?

1. Sandur
2. Sadarahalli
3. Vijayapura
4. Ameengadh

Q. This mineral's ore is found in oxide form. It is used to harden steel. Identify the mineral.

1. Iron
2. Manganese
3. Bauxite
4. Gold

Q. What do countries like Japan and China import from India?

1. Gold
2. Aluminium
3. Manganese
4. Copper

Q. Which mineral has been dubbed as "the jack of all trades"?

1. Aluminium
2. Iron
3. Gold
4. Manganese

Q. Manganese has been dubbed as "the jack of all trades" because of its versatility and usage in a plethora of industries. What are some of the uses of manganese?

1. It is used in manufacturing chemical fertilizers.
2. It is used in calico printing.
3. It is added to steel to increase its pliability.
4. It is used in electrical industries.

Q. The presence of manganese augments which fundamental property of steel?

1. Ductility
2. Malleability
3. Hardness
4. Conductivity

Q. A large amount of manganese produced in Karnataka is exported to which of the following countries?

1. Russia, Japan
2. Japan, China
3. Bangladesh, China
4. Australia, Sri Lanka