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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

Octane rating of Gasoline can be increased by __________?

A Refining
B Cracking
C Reforming
D None of These
Correct Answer: Reforming

A process in which large molecules are broken up into into smaller molecules is called as_____.

A Reforming
B Cracking
C Refining
D Isomerization
Correct Answer: Cracking

The quality of petrol is improved by ____________?

A Cracking
B Reforming
C Refining
D Hydration
Correct Answer: Reforming

Aldehydes and ketones both, show the type of Isomerism is __________?

A chain Isomerism
B Functional Group Isomerism
C Metamerism
D Position Isomerism
Correct Answer: Functional Group Isomerism

diamond got brilliance due to following reason?

A reflection
B refraction
C dispersion
D all  of the above
Correct Answer: all  of the above

Universe is almost 70% made up of __________?

A Helium
B Hydrogen
C Chlorine
D Carbon
Correct Answer: Hydrogen

Which of the following is more Basic in nature?

A Ammonia
B 1°Alkyl ammine
C 2° Alkyl ammine
D 3° Alkyl ammine
Correct Answer: 3° Alkyl ammine

Which of the following is more acidic in nature?

A Benzene
B Phenol
C p-nitrobenzene
D Cresol
Correct Answer: p-nitrobenzene

Which of the following is more acidic in nature?

A Benzene
B Phenol
C Cresol
D Aniline
Correct Answer: Phenol

The following alcohol does not undergo oxidation is _____________?

A 1° alcohol
B 2° alcohol
C 3° alcohol
D 0° alcohol
Correct Answer: 3° alcohol
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