A
B
C
D
Text Solution
Verified by Experts
The correct Answer is:
Topper's Solved these Questions
GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
KUMAR PRAKASHAN|Exercise SECTION - E (MCQs ASKED IN GUJET/BOARD EXAMS)|46 VideosGENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
KUMAR PRAKASHAN|Exercise SECTION - E (MCQs ASKED IN COMPETITIVE EXAM)|39 VideosELECTROCHEMISTRY
KUMAR PRAKASHAN|Exercise SECTION-E MCQ.s Asked in GUJCET/Board Exam|55 VideosHALOALKANES AND HALOARENES
KUMAR PRAKASHAN|Exercise SECTION - E Multiple Choice Questions|260 Videos
KUMAR PRAKASHAN-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-SECTION - E (MCQs ASKED IN JEE/NEET/AIEEE)
- Sulphide ores of metals are usually concentrated by froth floatation p...
Text Solution
|
- In aluminothermic process, Al is used as....
Text Solution
|
- Impurities present in the ore react with a substance to from a fusible...
Text Solution
|
- Which of the following pairs of metals is purified by Van-Arkel method...
Text Solution
|
- Which of the following elements is present as the impurity to the maxi...
Text Solution
|
- In view of the sign of DeltaG^@ for the following reactions PbO2 + P...
Text Solution
|
- The following reactions take place in the blast furnace in the prepara...
Text Solution
|
- Which method of purification is represented by the following equation ...
Text Solution
|
- Calamine is an ore of .........
Text Solution
|
- In the isolation of metals, calcination process usually results in ......
Text Solution
|
- 'Metals are usually not found as nitrates in their ores.'' Out of the ...
Text Solution
|
- Extraction of copper by smelting uses silica as an additive to remove ...
Text Solution
|
- The following reaction occurs in the blast furnace where iron ore is r...
Text Solution
|
- Extraction of gold and silver involves leaching with CN^(-) ion. Silve...
Text Solution
|
- Considering Ellingham diagram, which of the following metals can be us...
Text Solution
|
- In the extraction of copper from its sulphide ore, metal is finally ob...
Text Solution
|
- The correct statement regarding the given Ellingham diagram is ..........
Text Solution
|
- Match the ores (column-A) with the metals (column-B).
Text Solution
|
- Which one is malachite from the following ?
Text Solution
|
- The purest form of commercial iron is :
Text Solution
|