In the metallurgy of aluminium __________.

Important Questions on General Principles and Processes of Isolation 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 12

Which of the following diagrams is correctly related to different steps involved in the extraction of $\mathrm{Zn}$ from zinc blende ore?

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 refining of gold?

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 14

Which of the following reactions is/are the main reaction during partial roasting of chalcopyrite in a blast furnace?

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 15

$\mathrm{Al}$ metal is used to extract the following metals in large-scale extraction of

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 16

Select the steps which is/are involved in the extraction of $\mathrm{Cu}$ from its low-grade ore.

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 17

Select which of the following is associated during the extraction of iron in a blast furnace.

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 18

In the extraction of aluminium by Hall-Heroult process. Purified ${\mathrm{Al}}_2{\mathrm{O}}_3$ is mixed with ${\mathrm{CaF}}_2$ to