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Chemistry

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1511 MCQs

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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.

A Efflorescence

B Dehydrogenation

C Desalination

D Deliquescence

A CH4

B C2H6

C C2H4

D C2H2

A sp3 hybridised

B sp2 hybridised

C sp hybridised

D Unhybridised

A White colour

B Yellow colour

C Red colour

D Blue colour

A Electrophilic addition

B Nucleophilic substitution

C Nucleophilic addition

D Nucleophilic elimination

A Aldehydes

B Thio alcohols

C Amines

D Ethers

A Tollen’s reagent

B Iodoform test

C Schiff’s test

D Benedict’s reagent

A Ethylene oxide

B HCHO

C Ethylene glycol

D Ethyl alcohol

A Ethanol

B Ethanal

C Propane

D Propanol

A Iodoform test

B Lucas test

C Benedict’s test

D Tollen’s test

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The process by which a substance absorbs moisture upon exposure to atmosphere is called?

Which of the following gases when passed through warm dilute solution of H2SO4 in presence of HgSO4 gives acetaldehyde

In Aldehydes and Ketones, carbon of carbonyl group is ____________?

Fehling solution react with HCHO to form precipitate of _____________?

The typical reactions of aldehyde is _____________?

Silver mirror is a test for ____________?

Dimethyl ketones are usually characterized through_____________?

O3 reacts with CH2CH2 to form ozonide. On hydrolysis it forms

The Clemmenson reduction of acetone yields

Acetaldehyde cannot show