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Which one of the following is also known as lactic acid ?
A. 3-Hydroxy propanoic acid B. 2-Hydroxy propanoic acid C. 2-hydroxy butanoic acid D. 3-hydroxy butanoic acid Submitted by :- Jamil…
Ethers show functional group isomerism with __________________?
A. aldehydes B. ketones C. alcohols D. carboxylic acid Submitted by :- Jamil Ahmed
In ___________ pre-ignition of the fuel is seen
(A). petrol knocking (B). petrol cracking (C). diesel cracking (D). diesel knocking Submitted by :- Muhammad Nawaz
Which one of the following compounds does not have – OH group___________________?
A. ethylene glycol B. glycerol C. picric acid D. ethyl acetate Submitted by :- Jamil Ahmed
Select the example of the electrolytes?
(A). Acids (B). Metals (C). Alloys (D). Oxides Submitted by :- Muhammad Nawaz
On dilution the specific conductance of the electrolyte __________
(A). Increases (B). Decrease (C). Slightly increases (D). Cannot be determined Submitted by :- Muhammad Nawaz
When alcohol reacts with phosphorous halides it give____________________?
A. alkyl halides B. alkyl amine C. alkanes D. alkynes Submitted by :- Jamil Ahmed
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