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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

Which gas is used for artificial ripening of green fruit ?
A Carbon dioxide
B Acetylene
C Ethane
D Ethylene
Correct Answer: Ethylene
All members of homologous series have different __________?
A chemical properties
B functional group
C physical properties
D all of them
Correct Answer: physical properties
Barret esophagus is good example of__________?
A Atrophy
B Dysplasia
C Metaplasia
D Hypertrophy
Correct Answer: Metaplasia
The valency of Carbon is _________?
A 2(Divalent)
B 3(Trivalent)
C 4(Tetravalent)
D 1(univalent)
Correct Answer: 4(Tetravalent)
In homologous series there is the difference of mass between adjacent members.
A 14amu
B 12amu
C 18amu
D 22amu
Correct Answer: 14amu
The number of ions produced by [Pt(NH3)]Cl2?
A 4
B 2
C 3
D 5
Correct Answer: 3
Those aliphatic hydrocarbons which contain carbon to carbon single covalent bond in the chain are called ___________?
A Alkanes
B Alkynes
C Alkenes
D a & c
Correct Answer: Alkanes
The practical problem in Hydrogen production is it:______________?
A Weight
B Valency
C Size
D Chemical property
Correct Answer: Weight
Polyvinyl acetate is the Polymer of __________?
A Vinyl Chloride
B Vinyl acetate
C Formaldehyde
D Methyl methacrylate
Correct Answer: Vinyl acetate
Radiations are harmful as it:___________?
A Causes skin cancer
B Causes anemia
C Alters body tissue
D is unstable
Correct Answer: Causes skin cancer
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