Which one of the following is correctly matched?
Answer : A. conductor - copper
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 : A. Nickel and Cadmium
the substance used in manufacture of high voltage insulators is
Answer : B. Silicons
What happens to the equivalent conductance of an electrolyte on dilution?
Answer : D. may increase or decrease depending on the electrolyte
Copper sulphate solution conducts the currrent by
Answer : B. ions
Which of the following electronic configuration is the stablest?
Answer : C. s2