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प्रश्न
Match the items of Column I with the items of Column II and assign the correct code:
| Column I | Column II |
| (A) Coloured bands | (1) Zone refining |
| (B) Impure metal to volatile complex | (2) Fractional distillation |
| (C) Purification of Ge and Si | (3) Mond Process |
| (D) Purification of mercury | (4) Chromatography |
| (5) Liquation |
पर्याय
A - (1), B - (2), C - (4), D - (5)
A - (4), B - (3), C - (1), D - (2)
A - (3), B - (4), C - (2), D - (1)
A - (5), B - (4), C - (3), D - (2)
उत्तर
A - (4), B - (3), C - (1), D - (2)
Explanation:
| Column I | Column II |
| (A) Coloured bands | (4) Chromatography |
| (B) Impure metal to volatile complex | (3) Mond Process |
| (C) Purification of Ge and Si | (1) Zone refining |
| (D) Purification of mercury | (2) Fractional distillation |
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संबंधित प्रश्न
Explain the principle of the method of electrolytic refining of metals. Give one example.
Indicate the principle behind the method used for the refining of Nickel.
Write down the reaction taking place in blast furnace related to the metallurgy of iron in the temperature rnge 500 K – 800 K. What is the role of limestone in the metallurgy of iron?
What happens when Silver is leached with NaCN in the presence of air?
In the extraction of chlorine from brine:
(i) ∆GΘ for the overall reaction is negative.
(ii) ∆GΘ for the overall reaction is positive.
(iii) EΘ for overall reaction has negative value.
(iv) EΘ for overall reaction has positive value.
Explain the following:
Vapour phase refining method is used for the purification of Ti.
Which one of the following methods can be used to obtain highly pure metal which is liquid at room temperature?
Describe a method for refining nickel.
Describe a method for refining nickel.
Describe a method for refining nickel.
