Thermodynamics Class 11 Chemistry Important Questions. We covered all the Thermodynamics Class 11 Chemistry Important Questions in this post for free so that you can practice well for the exam.
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Thermodynamics Class 11 Chemistry Important Objective Questions for Students
The life span of a Daniell cell may be increased by:
(a) Larger Zn electrode
(b) Larger Cu electrode
(c) Lowering the temperature
(d) Lowering the concentrations
Option a – Larger Zn electrode
Which one of the following pairs of materials serves as electrodes in rechargeable batteries commonly used in devices such as torchlights, electric shavers, etc.?
(a) Nickel and cadmium
(b) Zinc and Carbon
(c) Lead peroxide and lead
(d) Iron and cadmium
Option a – Nickel and cadmium
When an acid cell is charged, then:
(a) Voltage of the cell increases.
(b) Resistance of the cell increases.
(c) The electrolyte of the cell dilutes.
(d) None of the above
Option a – Voltage of the cell increases
The electrochemical cell stops working after some time because:
(a) The electrode potential of both electrodes becomes zero.
(b) One of the electrodes completely vanishes.
(c) The electrode potential of both electrodes equalizes.
(d) The reaction reverses its direction.
Option c – The electrode potential of both electrodes equalizes
A conductivity cell is platinized:
(a) To prolong its service.
(b) To avoid temperature effect.
(c) To avoid polarization effect.
(d) None of the above
Option c – To avoid polarization effect
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