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Read the following passage and answer the questions.
During extraction of metals, electrolytic refining is used to obtain pure metals. During the process, the impure metal is made the anode and a thin strip of pure metal is made the cathode. The solution of the metal salt is used as an electrolyte. On passing the current through the electrolyte, the pure metal from the anode dissolves from the electrolyte. An equivalent of pure metal from the electrolyte is deposited on the cathode.
Which of the metals are refined by electrolytic refining?
I. Au
II. Cu
III. Na
IV. K
- a)I and II
- b)I and III
- c)II and III
- d)II and IV
Correct answer is option 'A'. Can you explain this answer?
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Read the following passage and answer the questions.During extraction...
Metals like Cu, Zn, Ag and Au are refined by electrolytic refining.
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Read the following passage and answer the questions.During extraction...
Refining of Metals by Electrolysis
Electrolytic refining is a process that is used to obtain pure metals from impure ones. In this process, the impure metal is made the anode (positive electrode) and a thin strip of pure metal is made the cathode (negative electrode). The solution of the metal salt is used as an electrolyte, which conducts electricity.
Key Points:
1. Purpose of electrolytic refining: to obtain pure metals from impure ones.
2. Anode: the impure metal.
3. Cathode: a thin strip of pure metal.
4. Electrolyte: solution of the metal salt.
Metals Refined by Electrolytic Refining:
I. Gold (Au)
II. Copper (Cu)
III. Sodium (Na)
IV. Potassium (K)
Explanation:
- Gold (Au) and copper (Cu) are refined using electrolytic refining. These metals are extracted from their ores in an impure form and need to be purified to obtain pure metals.
- Sodium (Na) and potassium (K) are not refined using electrolytic refining. These metals are highly reactive and are obtained through other methods, such as the electrolysis of molten salts or by chemical reduction.
Conclusion:
The metals that are refined by electrolytic refining are gold (Au) and copper (Cu), which are obtained in an impure form and need to be purified to obtain pure metals. Sodium (Na) and potassium (K) are not refined using electrolytic refining due to their high reactivity.
Electrolytic refining is a process that is used to obtain pure metals from impure ones. In this process, the impure metal is made the anode (positive electrode) and a thin strip of pure metal is made the cathode (negative electrode). The solution of the metal salt is used as an electrolyte, which conducts electricity.
Key Points:
1. Purpose of electrolytic refining: to obtain pure metals from impure ones.
2. Anode: the impure metal.
3. Cathode: a thin strip of pure metal.
4. Electrolyte: solution of the metal salt.
Metals Refined by Electrolytic Refining:
I. Gold (Au)
II. Copper (Cu)
III. Sodium (Na)
IV. Potassium (K)
Explanation:
- Gold (Au) and copper (Cu) are refined using electrolytic refining. These metals are extracted from their ores in an impure form and need to be purified to obtain pure metals.
- Sodium (Na) and potassium (K) are not refined using electrolytic refining. These metals are highly reactive and are obtained through other methods, such as the electrolysis of molten salts or by chemical reduction.
Conclusion:
The metals that are refined by electrolytic refining are gold (Au) and copper (Cu), which are obtained in an impure form and need to be purified to obtain pure metals. Sodium (Na) and potassium (K) are not refined using electrolytic refining due to their high reactivity.
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Read the following passage and answer the questions.During extraction of metals, electrolytic refining is used to obtain pure metals. During the process, the impure metal is made the anode and a thin strip of pure metal is made the cathode. The solution of the metal salt is used as an electrolyte. On passing the current through the electrolyte, the pure metal from the anode dissolves from the electrolyte. An equivalent of pure metal from the electrolyte is deposited on the cathode.Which of the metals are refined by electrolytic refining?I. AuII. CuIII. NaIV. Ka)I and IIb)I and IIIc)II and IIId)II and IVCorrect answer is option 'A'. Can you explain this answer?
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Read the following passage and answer the questions.During extraction of metals, electrolytic refining is used to obtain pure metals. During the process, the impure metal is made the anode and a thin strip of pure metal is made the cathode. The solution of the metal salt is used as an electrolyte. On passing the current through the electrolyte, the pure metal from the anode dissolves from the electrolyte. An equivalent of pure metal from the electrolyte is deposited on the cathode.Which of the metals are refined by electrolytic refining?I. AuII. CuIII. NaIV. Ka)I and IIb)I and IIIc)II and IIId)II and IVCorrect answer is option 'A'. Can you explain this answer? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about Read the following passage and answer the questions.During extraction of metals, electrolytic refining is used to obtain pure metals. During the process, the impure metal is made the anode and a thin strip of pure metal is made the cathode. The solution of the metal salt is used as an electrolyte. On passing the current through the electrolyte, the pure metal from the anode dissolves from the electrolyte. An equivalent of pure metal from the electrolyte is deposited on the cathode.Which of the metals are refined by electrolytic refining?I. AuII. CuIII. NaIV. Ka)I and IIb)I and IIIc)II and IIId)II and IVCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Read the following passage and answer the questions.During extraction of metals, electrolytic refining is used to obtain pure metals. During the process, the impure metal is made the anode and a thin strip of pure metal is made the cathode. The solution of the metal salt is used as an electrolyte. On passing the current through the electrolyte, the pure metal from the anode dissolves from the electrolyte. An equivalent of pure metal from the electrolyte is deposited on the cathode.Which of the metals are refined by electrolytic refining?I. AuII. CuIII. NaIV. Ka)I and IIb)I and IIIc)II and IIId)II and IVCorrect answer is option 'A'. Can you explain this answer?.
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