| 1 |
What is oxidation state of chlorine in Ca(ClO3)2 |
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| 2 |
The over all positive value for the reaction potential predicts that process is energetically. |
- A. Not feasible
- B. Feasible
- C. Impossible
- D. No indication
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| 3 |
When an atom reacts chemically and loses one or more electrons it is. |
- A. Decomposed
- B. Reduced
- C. Oxidized
- D. Catalyzed
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| 4 |
What is the oxidation state of sulphur in SO3<sup>2-</sup> |
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| 5 |
The cathodic reaction in the electrolysis of dil H2SO4, with pt electrode sis. |
- A. Reduction
- B. Oxidation
- C. Both oxidation and reduction
- D. Neither oxidation nor reduction
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| 6 |
A cell in which electric current is produced as a result of spontaneous redox reaction is called. |
- A. Electrolytic cell
- B. Galvanic cell
- C. Half cell reaction
- D. Down's cell
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| 7 |
When aqueous NaCl is electrolyzed, which of the following ions gas discharged at anode. |
- A. Cl-
- B. OH-
- C. Na+
- D. H+
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| 8 |
Standard hydrogen electrode has an arbitrarily fixed potential |
- A. 0.00 volts
- B. 1.00 volt
- C. 0.10 volt
- D. None of these
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| 9 |
In H2SO4the oxidation number of 'S' is |
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| 10 |
Alkali and alkaline earth metal are usually obtained by |
- A. Decomposition of their carbonates
- B. By heating their hydroxide
- C. electrolysis of molten metal oxides
- D. Electrolysis of molten metal halides
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