Name the metal which is extracted in thermite process.
WBBSE
Class X
Physical Science
Metallurgy
01 Mark
2025
Iron (Fe)
Explanation
The thermite process is used to extract or weld iron by reducing iron(III) oxide (Fe₂O₃) with aluminium powder. Aluminium, being more reactive than iron, removes oxygen from iron oxide to produce molten iron.
Chemical Equation: Fe2O3 + 2Al → Al2O3 + 2Fe
Related Questions
More WBBSE Easy level questions
1/12
Q.
Which of the following is an ore of Aluminium?
A.
(b) Bauxite Explanation Bauxite is the chief ore of aluminium. It mainly...
Q.
The metal which is extracted through thermal reduction is
A.
(c) Fe Explanation Iron (Fe) is extracted by thermal reduction (reduction of...
Q.
Which of the following is the formula of zine blende, an ore of zinc?
A.
b. ZnS Explanation: Zinc blende is the chief ore of zinc, and...
Q.
What reaction occurs at the cathode in the electrolyte method of extraction of aluminium?
A.
At the cathode in the electrolyte method of aluminium extraction, aluminium ions...
Q.
Match the Right Column with the Left Column : 2.2.1 Metal present in German silver
A.
Left Column Correct Match 2.2.1 Metal present in German silver (d) Ni...
Q.
Which of the following elements is not present in Duralumin? (a) Al (b) Zn (c)...
A.
(b) Zn Explanation Duralumin is an alloy composed mainly of: Aluminium (Al)...
Q.
Match the right column with the left column: 2.11.1. Noble Gas (a) Cs2.11.2. Inver (b)...
A.
Left Column Right Column (1) Noble Gas (b) Rn (2) Inver (d)...
Q.
2.11.1. An alkaline earth metal (a) Fe 2.11.2. The metal which is present in the...
A.
2.11.1 → (c) Ca 2.11.2 → (a) Fe 2.11.3 → (d) K...
Q.
In the extraction of aluminium by the process of electrolysis, the fused mixture used contains...
A.
d. pure alumina. Explanation: In the extraction of aluminium through electrolysis, the...
Q.
In the extraction of aluminium by electrolysis, what substances are present in the molten mixture...
A.
Besides pure alumina (Al₂O₃), the molten mixture contains: Cryolite (Na₃AlF₆) Fluorspar (CaF₂)...
Q.
Write two reasons why curd and sour fruits are not kept in copper and brass...
A.
Curd and sour fruits contain acids. Therefore, they should not be kept...
Q.
Untitled
A.
2.11.1 – (c) 2.11.2 – (d) 2.11.3 – (b) 2.11.4 – (a)