Q. 24.4( 187 Votes )
Fe203 + 2Al → Al203 + 2Fe
The above reaction is an example of a:
A. combination reaction
B. double displacement reaction
C. decomposition reaction
D. displacement reaction
When an element displaces another element from its compound, a displacement reaction occurs.
In this reaction, aluminium displaces the iron from its compound. Thus, this is an example of displacement reaction.
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Which among the following statement(s) is(are) true? Exposure of silver chloride to sunlight for a long duration turns grey due to:
(i) The formation of silver by decomposition of silver chloride
(ii) Sublimation of silver chloride
(iii) Decomposition of chlorine gas from silver chloride
(iv) Oxidation of silver chlorideEvergreen Science
Which of the following are exothermic processes?
(i) Reaction of water with quicklime
(ii) Dilution of an acid
(iii) Evaporation of water
(iv) Sublimation of camphor (crystals)Evergreen Science
(b)Lakhmir Singh & Manjit Kaur - Chemistry