JEE MAINS PRACTICE · Chemistry
General Principles and Processes of Isolation of Metals
280 practice questions for JEE Mains Practice — 132 easy · 72 medium · 76 hard. Every question is graded instantly with a step-by-step solution when you miss it.
Start free practice →Sample questions
MCQ
The chemical composition of slag formed during the smelting process in the extraction of copper is
MCQ
Malachite decomposed to give $A+\mathrm{CO}_2+\mathrm{H}_2 \mathrm{O}$ and compound $A$ on reduction with carbon gives $C O+B$. Here, $A$ and $B$ are
MCQ
van-Arkel method of purification of metals involves converting the metal to a
MCQ
Which of the following ore does not represent the ores of iron?
MCQ
The purest zinc is made by
MCQ
All ores are minerals, while all minerals are not ores, because
MCQ
The cyanide process is used for obtaining
MCQ
When the more electropositive metal displace less electropositive metals form their salt solution this process is called:
MCQ
Mond's process is used for refining _____ Whereas van Arkel method is used for refining _____ .
MCQ
Calcination is used in metallurgy for removal of
MCQ
Which of the following is neutral refractorie material?
MCQ
In the reaction, $\mathrm{P}_2 \mathrm{O}_5+3 \mathrm{CaO} \longrightarrow \mathrm{Ca}_3\left(\mathrm{PO}_4\right)_2, \mathrm{P}_2 \mathrm{O}_5$ acts as