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KUMAR PRAKASHAN-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-SECTION - E (MCQs ASKED IN GUJET/BOARD EXAMS)
- During electrolysis of aqueous solution of Na2SO4 using graphite elect...
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- Which of the following is the alloy of Sn ?
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- Which of the following metal is purified by Mond Carbonyl method ?
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- Which method is used to get very pure germanium used in semiconductor ...
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- Which compound is added as foam stabiliser in froath floatation proces...
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- Which metal is purified by liquation method ?
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- Which of the following process is for purification of metals?
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- Which of the following is the Ore of Cu ?
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- Heating pyrites in air to remove sulphur is known as
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- Why does copper become brittle during thermal refining ?
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- Four equations are given below. Decide if they are correctly balanced ...
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- Decide X, Y and Z correctly from the given options in the following se...
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- The mixture of which of the following is called "Matte"?
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- What is the other name of Halic(VII) acid ?
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- By which method oxygen and nitrogen present in the form of impurities ...
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- Which of the following is not a method of concentration of Ores?
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- Zone refining is used to produce very pure.
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- An aqueous solution of 0.1 M FeCl3 is isotonic to which of the followi...
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- In the thermal refining silicates of which metals float as slag on cop...
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- Which of the following acts as a reducing agent in Hall-Heroult proces...
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