Related Questions

Which one of the following metals is used to galvanise iron ?
A Copper
B Lead
C Zinc
D Mercury
The rusting of iron is a/an
A Physical change
B Electrochemical change
C Electrical change
D None of the above
Iron is prevented from rusting by coating with zinc. This process is called as
A Galvanisation
B Corrosion
C Sublimation
D Reduction
Rusting of iron takes place due to
A Oxidation
B Carbonation
C Exfoliation
D Corrosion
Iron is a useful metal. Here iron is
A an adjective
B a noun
C an adverb
D a verb
Iron is a useful metal. এখানে ‘Iron’ শব্দটি কোন প্রকারের Noun ?
A Proper Noun
B Material Noun
C Collective noun
D Common Noun
Iron is a useful metal. এখানে 'Iron' শব্দটি কোন প্রকারের noun?
A Proper Noun
B Collective Noun
C Common Noun
D Material Noun
The variety of pig iron used for manufacture of wrought iron, is
A Bessemer pig
B Grey or foundry pig
C White forge pig
D Mottled pig
The fuel mostly used in blast furnace for extracting pig iron from iron ores is
A Hard coke
B Soft coke
C Pulverized coal
D Bituminous coal
__________ is used as a flux in the extraction of iron from iron ore (hametite) in blast furnace.
A Bauxite
B Limestone
C Quartz
D Manganese

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