On dilution the specific conductance of the electrolyte __________
(A). Increases
(B). Decrease
(C). Slightly increases
(D). Cannot be determined
Submitted by :- Muhammad Nawaz
CHEMISTRY
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When alcohol reacts with phosphorous halides it give____________________?
The resistance of the conductor __________ in the electrolytic cell with an increase in temperature.
(A). Increase
(B). Decrease
(C). Slightly increase
(D). Do no change
Submitted by :- Muhammad Nawaz
An alcohol which can be prepared by fermentation is_________________?
A. CH3OH
B. C3H7OH
C. CH3 – CH2 – OH
D. C6H5OH
Submitted by :- Jamil Ahmed
A head telephone ear piece is used instead of _________ to detect the flow of current.
(A). Ammeter
(B). Galvanometer
(C). Multimeter
(D). Voltmeter
Submitted by :- Muhammad Nawaz
Methyl alcohol is not used__________________?
A. As a solvent
B. As a substitute for petrol
C. As an antifreezing agent
D. For denaturing of ethyl alcohol
Submitted by :- Jamil Ahmed
_________ is a specific term in which conductance is expressed.
(A). Ohm/cm
(B). Ohm.cm
(C). Ohm-1 cm-1
(D). Ohm-1 cm
Submitted by :- Muhammad Nawaz
Which compound shows hydrogen bonding ?
On dilution ionisation __________ in electrolyte.
(A). Increases
(B). Decreases
(C). Becomes very small
(D). Do not change
Submitted by :- Muhammad Nawaz
When phenol is heated with concentrated nitric acid the product is________________?
A. Picric acid
B. o-nitrophenol
C. 1 3 5 -trinitro benzene
D. p-nitrophenol
Submitted by :- Jamil Ahmed