Manganese and its Production in India

Q. How much manganese is used to produce 1 tonne of steel?

1. 19 kgs
2. 15 kgs
3. 12 kgs
4. 10kgs

Q. What are manganese nodules?

1. Occurrence of manganese on ocean floor
2. Occurrence of manganese on land
3. Occurrence of manganese under the earth
4. Occurrence of manganese

Q. Which of the following are the major manganese producing districts in India?

1. New Delhi
2. Jaipur
3. Udaipur
4. Kota

Q. Which mineral is being banned all over the world?

1. Mica
2. Asbestos
3. Chrome
4. Copper

Q. Select the appropriate pairs related to manganese, its properties and production.

1. 10 kg of manganese
2. 1 tonne of steel
3. Aluminium alloys with manganese
4. Self-renewing surface
5. Corrosion resistance
6. Manganese steel

Q. Apart from land, manganese can be found in large areas of the ocean floor. These occurrences are called manganese.

1. veins
2. lodes
3. nodules

Q. X is a mineral that is estimated to have more ocean reserves than land reserves. X is found on the ocean floors as nodules. Which of the following are valid facts about X?

1. X is sought in the manufacturing of bleaching powders.
2. X has strength comparable to iron but is also super light and is known for its conductivity.
3. X is used to smelt iron in furnaces.
4. X improves corrosion resistance in magnesium alloys.

Q. State the use of Manganese . Which state is the largest producer of manganese in India?

Q. Manganese is mostly used to make what kind of alloys?

1. Silver manganese
2. Aluminium manganese
3. Copper-manganese
4. Ferro-manganese