Phenol was isolated by Runge from________________?
A. vegetable oil
B. coal tar
C. wood
D. none of these
Submitted by :- Jamil Ahmed
CHEMISTRY
Prepare for your upcoming test with a comprehensive collection of Chemistry multiple-choice questions (MCQs), ranging from basic to advanced topics. These Chemistry MCQs cover various sections of the subject, providing you with valuable practice and boosting your chances of scoring well in the Chemistry portion of the test. Whether you’re a student or a job seeker preparing for exams, these MCQs will prove beneficial for your test preparation.
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Absolute alcohol is obtained when rectified spirit is treated with__________________?
Rating of _____is called Octane number.
(A). petrol knocking
(B). diesel knocking
(C). petrol cracking
(D). diesel cracking
Submitted by :- Muhammad Nawaz
Methanol can be obtained from_________________?
A. water gas
B. destructive distillation of wood
C. methane
D. all
Submitted by :- Jamil Ahmed
What catalyst is used in the catalytic cracking?
(A). Nacl
(B). Kcl
(C). ZnSO4
(D). Al2O3
Submitted by :- Muhammad Nawaz
In _________gasoline vapours are purified.
(A). thermal cracking
(B). catalytic cracking
(C). stabilization
(D). knocking
Submitted by :- Muhammad Nawaz
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 Ahmed
Ethers show functional group isomerism with __________________?
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