Aluminium

Q. Arrange to indicate the process of production of aluminium from bauxite.

Note: A - Aluminium B - Bauxite Q - Quarry R - Refinery

1. Transport B (Q to R)
2. Cool & shape molten A
3. Purify ore
4. Crush and separate B

Q. Where are aluminum plants located in India?

1. West Bengal
2. Rajasthan
3. Kerala
4. Odisha

Q. Which among the following statements are incorrect about Aluminium and Aluminium smelting?

1. Aluminium is extracted from its ore called Borite.
2. Aluminium is a light metal and it is highly malleable.
3. Aluminium becomes weaker when mixed with other metals.
4. Aluminium smelting plants in India are located in Odisha and West Bengal only.

Q. What is the raw material which is used for producing aluminium?

1. Mica
2. Manganese
3. Iron ore
4. Bauxite

Q. Dissolving Alumina in Cryolite reduces it's melting point to ____________ degree celsius.

1. 1000
2. 2000
3. 3000
4. 4000

Q. Aluminium is a non-ferrous mineral used in metallurgy, engineering, and electrical industries.

In which of the following products/processes is aluminium not used?

1. Galvanising
2. Power lines
3. Heat sinks
4. Foil

Q. Which ore is aluminium extracted from?

1. Bauxite
2. Hematite
3. Anthracite
4. Magnetite

Q. Which ore is aluminium extracted from?

1. Bauxite
2. Hematite
3. Anthracite
4. Magnetite

Q. Which of the following statements is/are false regarding aluminium and aluminium smelting?

1. Aluminium is extracted from its ore called Borate.
2. Aluminium is a light metal and it is highly malleable.
3. Aluminium becomes weaker when mixed with other metals.
4. Aluminium smelting plants in the country are located in Odisha and West Bengal alone.

Q. Aluminium is a non-ferrous mineral used in metallurgy, engineering, and electrical industries.

In which of the following products/processes is aluminium not used?

1. Galvanising
2. Power lines
3. Heat sinks
4. Foil

Q. Aluminium is used for making cooking utensils. Which of the following properties of aluminium are responsible for the same?

1. Good thermal conductivity
2. Poor electrical conductivity
3. Resistant to corrosion
4. High melting point

Q. Aluminium is obtained from bauxite.

1. True
2. False

Q.

Which metals can be extracted from each one of the following ores:

(a) Bauxite (b) Calamine (c) Hematite.

Q. Weight ratio of Roasted ore, Coke and Limestone fed into the blast furnace in the manufacture of Cast Iron is