M C Q s D r i v e

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.

Branch of chemistry that deals with the complete qualitative and quantitative analysis of a substance is___________________?

A Stoichio chemistry
B Physical chemistry
C Analytical chemistry
D Quantum chemistry
Correct Answer: Analytical chemistry

The oxidation number of central metal atom in [Ni(CO)4] is_________________?

A 0
B 2
C 4
D 6
Correct Answer: 4

A technique of partition chromatography in which the solvent is in a pool at the bottom of container_______________?

A Adsorption chromatography
B Ascending chromatography
C Radial chromatography
D Descending chromatography
Correct Answer: Ascending chromatography

Coordination number of the transition element in [Pt Cl NO2 (NH3)4]2- is____________________?

A 2
B 6
C 4
D 8
Correct Answer: 6

A substance having very high vapour pressure at its melting point on heating will show_______________?

A Melting
B Sublimation
C Decomposition
D Condensation
Correct Answer: Sublimation

The reduction potential Zn is_________________?

A 0.76
B -0.76
C -0.55
D 0.55
Correct Answer: 0.76

Fluted filter paper is used to__________________?

A Filter hot solution
B Avoid premature crystallization
C Increase the rate of filtration
D Decrease the area
Correct Answer: Increase the rate of filtration

In K2Cr2O7 the oxidation number of chromium is____________________?

A 7
B 6
C -7
D -6
Correct Answer: 6

Which of the following technique is used for the separation of insoluble particles from liquids ?

A Filtration
B Crystallization
C Solvent extraction
D Chromatography
Correct Answer: Filtration

Apparent charge on atom in molecule is___________________?

A valency
B coordination number
C oxidation number
D charge number
Correct Answer: oxidation number