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Chemistry 1488 MCQs [All-Courses]

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oost your exam preparation with our Chemistry MCQs designed for PPSC, FPSC, NTS, OTS, PTS, AJKPSC, BPSC, KPPSC, PMS, CSS, and all competitive exams.
Our content covers Basic Chemistry, Atomic Structure, Periodic Table, Chemical Reactions, Acids & Bases, Organic Chemistry, and everyday chemical concepts.

All Topics  1488

Nitronium ion is___________________?
A NO3
B NO
C NO2-
D NO2+
Correct Answer: NO
Nucleic acids were first demonstrated in_________________?
A Pus cells
B Sperm heads
C 1872
D all of the above
Correct Answer: Pus cells
Which of the following is most soluble on water?
A BaSO4
B SrSO4
C CaSO4
D MgSO4
Correct Answer: MgSO4
Benzene does not undergo___________________?
A Substitution reaction
B Addition reaction
C Polymerization reactions
D Oxidation reactions
Correct Answer: Polymerization reactions
Enzyme proved useful in cancer treatment is_______________?
A Lactic dehydrogenase
B Alkaline phosphatase
C L-asparaginase
D Cellulase
Correct Answer: L-asparaginase
The common oxidation state of lanthanides is_________?
A +3
B +2
C +1
D +4
Correct Answer: +3
Acetophenone is a_____________________?
A Ether
B Ketone
C Aldehyde
D Ester
Correct Answer: Ketone
Enzymes from the same organism which catalyze same reaction but are chemically and physically distinct from each other are called______________?
A Oxidoreductases
B Hydrolases
C Isoenzymes
D Isomerases
Correct Answer: Isoenzymes
Which one of the following is a bridge element?
A Be
B Cl
C K
D P
Correct Answer: Be
Which is fused cyclic aromatic compound _____________________?
A diphenyl amine
B diphenyl methane
C naphthalene
D biphenyl
Correct Answer: naphthalene
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