Chemistry - General Principles and Processes of Isolation of Metals Question with Solution | TestHub

ChemistryGeneral Principles and Processes of Isolation of MetalsGeneralEasy2 minPYQ_2020

ChemistryEasynumerical

How many of the following species are related to Hall's process of purification of bauxite?
White bauxite, ${Na}_{2} {CO}_{3}, {CO}_{2},$ cryolite, red bauxite, $NaOH$

Answer:

3.00

Solution:

${Na}_{2} {CO}_{3}, {CO}_{2}$ and red bauxite are related to Hall's process of purification of bauxite.

$2 A l_{2} O_{3} + 3 C \to 4 A l + 3 C O_{2}$

Stream:NTA_ABHYASSubject:ChemistryTopic:General Principles and Processes of Isolation of MetalsSubtopic:General

⏱ 2mℹ️ Source: PYQ_2020

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