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A button cell used in watches function as following
The cell potential will be:
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- 1)
The number of moles of hydrogen oxidised is:
- 2)
Which of the following best describes why ionic compounds like potassium bromide (KBr) do NOT conduct electricity in solid form but do in molten form?
- 3)
Which of the following electrolytes is used in the electrolyte refining of copper?
- 4)When electricity is passed through water, what kind of chemical reaction occurs?
- 5)In a typical fuel cell, the reactant (R) and product (P) are
- 6)Identify the reaction from following having top position in EMF series (Std. red. potential) according to their electrode potential at 298K.
- 7)Match List I with List II.
Choose then correct answer from the options given below: - 8)Mass in grams of copper deposited by passing 9.6487 A current through a voltmeter containing copper sulphate solutions for 100 seconds is:
(Given : Molar mass of
(1F=96487 C) - 9)Given below are half cell reactions:
Will the permanganate ion,
from water in the presence of an acid?
- 10)
The number of moles of hydrogen oxidised is:
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