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In each of the following pairs, which wi...

In each of the following pairs, which will conuct more electricity?
`a.` `Cu` wire at `30^(@)C` and `60^(@)C`.
`b.` `KBr` solution at `30^(@)C` and `60^(@)C`.
`c.` `NH_(4)OH` solution at `30^(@)C` and `60^(@)C`.
`d.` `M` and `0.1M` propanioc acid solutions.

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In each of the following pairs, which will conuct more electricity? a. Cu wire at 30^(@)C and 60^(@)C . b. KBr solution at 30^(@)C and 60^(@)C . c. NH_(4)OH solution at 30^(@)C and 60^(@)C . d. 1 M and 0.1M propanioc acid solutions.

Which of the following pairs will have greater conduction ? 0.1M NaCl solution at 25^@C and 0.1M NaCl solution at 50^@C .

(a) Out of the following pairs , predict with reason which pair will allow greater conduction of electricity: (i) silver wire at 30^@ or silver wire at 60^@ C (ii) 0.1M CH_(3)COOH solution or 1M CH_(3)COOH solution (iii) KCl solution at 20^@ C or KCl solution at 50^@ C . (B) Give two points of differences between electrochemical and electrolytic cells.

(a) Out of the following pairs , predict with reason which pair will allow greater conduction of electricity: (i) silver wire at 30^@ or silver wire at 60^@ C (ii) 0.1M CH_(3)COOH solution or 1M CH_(3)COOH solution (iii) KCl solution at 20^@ C or KCl solution at 50^@ C . (B) Give two points of differences between electrochemical and electrolytic cells.

(2 tan 30^(@))/( 1-tan ^(2) 30^(@)) = (a) cos 60 (b) sin 60 (c) tan 60 (d) sin 30

Which among the following is an irrational quantity ? (a) tan 30^(@) tan 60^(@) (b) sin 30 ^(@) (c ) tan 45 ^(@) (d) cos 30^(@)

Which of the following pairs of sets are disjoint? C={x:0lexle30},D={x:30lexle60}