Production of Manganese

Q. Which of the following is/are manufactured using Manganese?

1. Bleaching powder
2. Insecticides
3. Paints
4. Chalk

Q.

What is the Curie point of steel?

Q. Manganese that is found on the ocean floor is called ________.

1. Manganese nodules
2. Magnetite
3. Hematite
4. Common salt

Q. Which among the following are manufactured using Manganese?

1. Bleaching powder
2. Insecticides
3. Paints
4. Chalk

Q. Manganese found on the ocean floor is called ______.

1. Manganese nodules
2. Magnetite
3. Hematite
4. Common salt

Q. Manganese is used to make.

1. steel
2. iron
3. magnesium
4. copper

Q. Where are manganese nodules found?

1. Ocean floors
2. Landfills
3. Fossils
4. Diamond mines

Q. Which state is the largest producer of manganese in India? Mention any four uses of manganese.