MEDIUM
JEE Main
IMPORTANT
Earn 100

Consider the following chromatogram (column chromatography).

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What is the principle of this technique?

Important Questions on General Principles and Processes of Isolation of Elements

EASY
JEE Main
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Inorganic Chemistry Part - 2 JEE Main & Advanced>Chapter 1 - General Principles and Processes of Isolation of Elements>DPP>Q 8
Which of the following changes is not observed when an ore is heated during calcination?
EASY
JEE Main
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Inorganic Chemistry Part - 2 JEE Main & Advanced>Chapter 1 - General Principles and Processes of Isolation of Elements>DPP>Q 9
Which of the following pairs of reaction is not related to auto-reduction process?
EASY
JEE Main
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Inorganic Chemistry Part - 2 JEE Main & Advanced>Chapter 1 - General Principles and Processes of Isolation of Elements>DPP>Q 10
Scheelite CaWO4 is an ore of tungsten, which contains tungstate ion. Tungstate ion is also present in:
EASY
JEE Main
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Inorganic Chemistry Part - 2 JEE Main & Advanced>Chapter 1 - General Principles and Processes of Isolation of Elements>DPP>Q 11
Spiegel (or spiegeleisen), used in the manufacture of steel by Bessemer process, is an alloy of:
EASY
JEE Main
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Inorganic Chemistry Part - 2 JEE Main & Advanced>Chapter 1 - General Principles and Processes of Isolation of Elements>DPP>Q 12
Which is incorrectly matched for refining of elements?
MEDIUM
JEE Main
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Inorganic Chemistry Part - 2 JEE Main & Advanced>Chapter 1 - General Principles and Processes of Isolation of Elements>DPP>Q 13
Which of the following diagrams is correctly related to the extraction of Pb from galena?
EASY
JEE Main
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Inorganic Chemistry Part - 2 JEE Main & Advanced>Chapter 1 - General Principles and Processes of Isolation of Elements>DPP>Q 14
In the extraction of chlorine by electrolysis of brine,
EASY
JEE Main
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Inorganic Chemistry Part - 2 JEE Main & Advanced>Chapter 1 - General Principles and Processes of Isolation of Elements>DPP>Q 15
Zone refining is based on the principle that the: