Easy
733 likes
Question
The metal which is extracted through thermal reduction is
(a) Ag
(b) Mg
(c) Fe
(d) Au
WBBSE
Class X
Physical Science
Metallurgy
01 Mark
2024
Answer
(c) Fe
Explanation
Iron (Fe) is extracted by thermal reduction (reduction of iron ore with carbon) in a blast furnace.
Related Questions
More WBBSE Easy level questions
1/12
Easy
986
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)...
View Question
Easy
963
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...
View Question
Easy
955
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...
View Question
Easy
Q.
Which of the following is an ore of Aluminium?
A.
(b) Bauxite Explanation Bauxite is the chief ore of aluminium. It mainly...
View Question
Easy
Q.
Name the metal which is extracted in thermite process.
A.
Iron (Fe) Explanation The thermite process is used to extract or weld...
View Question
Easy
779
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...
View Question
Moderate
594
Q.
Why is dehydrated calcium chloride added during the extraction of sodium through electrolysis of sodium...
A.
Dehydrated calcium chloride (CaCl2) is added during the electrolysis of sodium chloride...
View Question
Moderate
641
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...
View Question
Easy
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...
View Question
Moderate
735
Q.
In the extraction of metal by the process of electrolysis at which electrode does the...
A.
The reaction occurs at the cathode during the process of electrolysis. This...
View Question
Easy
784
Q.
Write down the structural formula of the principal constituent of LPG
A.
The principal constituent of LPG (Liquefied Petroleum Gas) is propane. The structural...
View Question
Easy
580
Q.
Write down the names of two organic compounds with different functional groups designated by the...
A.
Two organic compounds with the formula C₂H₆O but different functional groups are:...
View Question