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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Presence of nitrogen in organic compounds is tested as__________?
Beillstein test is used for________?
The stationary and mobile phases in paper chromatography are____________?
The bond angle between hybrid orbitals in methane CH4 is___________?
A. 115.5°
B. 109.5°
C. 15. 7°
D. 18°
Submitted by :- Jamil Ahmed
The criteria for aromaticity is presence of_________?
A. Unsaturation
B. Cyclic structure
C. Presence of 4nπ electrons
D. Presence of 4n+2π electrons
Submitted by :- Jamil Ahmed
The PH of pure water at 25°C, kw=1×1-4____________?
A. 0
B. 7
C. 14
D. None of above
Submitted by :- Jamil Ahmed
The PH of Tears is __________?
A. 7.
B. 7.4
C. 7.8
D. 8.2
Submitted by :- Jamil Ahmed
The PH of milk is __________?
A. 6.
B. 6.5
C. 7.
D.7.5
Submitted by :- Jamil Ahmed
Which of the following halo alkane is hydrolyzed by SN1 mechanism?
A. CH3Br
B. CH3CH2Br
C. CH3CH2CH2Br
D. (CH3)3CBr
Submitted by :- Jamil Ahmed