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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 Glycol

B Glyoxal then formic acid

C Formaldehyde

A CH3CH2CHO + CH3CHO

B CH3CH2CHO + CH3COOH

C CH3CH2COOH + CH3COOH

D CH3COOH + CO2

A Ethylene oxide

B HCHO

C Ethylene glycol

D Ethyl alcohol

A Ozonolysis

B Oxidation

C Reduction

D Hydrogenation

A Acetone

B Acetaldehyde

C Acetic acid

D Ethyl alcohol

A Methane

B Ethane

C Acetylene

D Ethene

A Bromine water

B Bayer’s reagent

C Fehling solution

D Ammonical silver nitrate

A White precipitate with AgNO3 and red precipitate with Cu2Cl2

B White precipitate with Cu2Cl2 and red precipitate with AgNO3

C White precipitate with both the reagents

D Red precipitate with both the reagents

A Alpha particle

B Neutron

C Electron

D Proton

A Alkali metals

B Halogens

C Alkaline earth metals

D Transition metals

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Ozonolysis of acetylene gives:

Product formed when 2-pentyne reacts with ozone in the absence of Zinc is __________?

O3 reacts with C2H4 to form ozonide, while on further hydrolysis it forms _________?

Position of double bond in an organic compound is determined by ___________?

At higher temperature, Ethyne on reaction with water in the presence of HgSO4 and H2SO4 gives:

Which of the following gases is used for welding?

The compound C3H4 has a triple bond, which is indicated by its reaction with____________?

Acetylene gives:

Which of the following is a neutral particle ?

Coinage metals are actually_________?