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Electrochemistry


1. 

Which one of the following is correctly matched?

Answer : A. conductor - copper

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2. 

Which one of the following pais of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights electric shavers ,etc..?

Answer : D. Iron and cadmium

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3. 

the substance used in manufacture of high voltage insulators is

Answer : B. Silicons

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4. 

What happens to the equivalent conductance of an electrolyte on dilution?

Answer : D. may increase or decrease depending on the electrolyte

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5. 

Copper sulphate solution conducts the currrent by

Answer : B. ions

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6. 

Which of the following electronic configuration is the stablest?

Answer : C. s2

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