Question # 1

Complete hydrolysis of nucleotide result in the formation of.

Choose an answer

Heterocyclic bases

A pentose

A phosphate ion

All of these

The most harmful components of incomplete combination are generally groped as particulate polyclic matter organic (PPOM) These materials are derivatives of .

Choose an answer

Benzene

Naphthalene

Benz a pyrene

None of the above

Hydrolytic reaction of fat with caustic soda is known as ______

Choose an answer

Esterification

Saponification

Acetylation

Carboxylation

CoCl3 ,6NH3 has six NH3 molecules that satisfy the valency of the Cu3+ metal ion

Choose an answer

Primary

Secondary

Both A and B

None of above

The brown colour of the pulp obtained from chemical pulping is due to the present of

Choose an answer

Chlorine

Residual lignin

Sodium hydochlorite

All above

Compounds consisting of two or more interlocked rings are called.

Choose an answer

Inclusion compounds

Cage compounds

Catenanes

Crown other

Co enzyme cna be separated from enzyme by

Choose an answer

Precipitation

Dalysis

Hydrolysis

Distillation

In the process of preparation of detergents the organic acids produced are neutralized with.

Choose an answer

Sodium hydroxide

Sodium sulphate

Sodium chloride

Potassium hydroxide

The Langmuir theory of unimolecular adsorption is generally valid at.

Choose an answer

Low pressures and low temperature

Low pressures and high temperature

High pressures and low temperature

High pressure and high temperature

The maximum number of electrons in first energy levels are.

Choose an answer

1

2

8

10

Elements of group 14

Choose an answer

Exhibit oxidation state of -4

Exhibit oxidation state of +4

From M3+ and M4+ ions

Form M4- and M4+ iona

The Hall process involves the reduction of Al2O3 to aluminium by

Choose an answer

Carbon

Carbon monoxide

Molecular hydrogen

Electrolysis

Ziegler -Natta catalysta is

Choose an answer

(C2H3)3 Al

TiCl4

(C2H5)3 Al/TiCl4

(C2H3)3 B/TiCl2

Which of the following bonds between carbon -carbon is teh strongest.

Choose an answer

Sigma bond

Pi bond

Double bond

Triple bond

The noble gases which does not I do not form any clathrates is.

Choose an answer

He

Ne

Argpm

Both He and Ne

Which of the flowing operator combination would yield eight value equation

Choose an answer

d/x (sin x)

d/dx (cos x)

d /dx (sin 4x)

d /dx (cos 4x)

d/dx (e^x)

Bromination of n-butane produces.

Choose an answer

I-bromobutane as the major product

2- bromobutane as the major product

Both I - bromo and 2- bromobutane with equal percentage

Both i-bromo and 2-bromo products whose percentage depends upon temperature.

Which of the following products is obtained when but 2-ene is treated with perchloric acid.

Choose an answer

CH3CHO only

CH3COOH only

CH3CHO and CH3COOH

CH3CH2COOH + HCOOH

The most electronegative element of the third period is.

Choose an answer

F

P

Br

Cl

Which of the following halogen exist in solid state.

Choose an answer

F2

I2

Cl2

Br2

In XeF2 molecules, Xe atom undergoes hybridization

Choose an answer

spd

sp2

sp3

sp3d

A mixture of ethyl iodide and n-propyl iodide is subjected to Wurts reaction. The hydrocarbon that will nto be formed is

Choose an answer

n-butane

n-propane

n-pentane

n-hexane

Types of carides

Choose an answer

Ionic carides

Covalent carbides

Interstitial carbides

All above

Select the correct IUPAC nae for [Co(NH3)6 ]2+

Choose an answer

Hexammoniacobaltate (II) ion

Hexaamminecobaltate (II) ion

Hexammoniacobalt (II) ion

Hexaamminecobalt (II) ion

The full form of STM is

Choose an answer

Scanning Tunneling Microscope

Scientific Technical Microscope

Systematic Technical Microscope

SuperTensile Microscope

___________ surfactants perform well over a wide range of water hardness and pH.

Choose an answer

Anionic

Cationic

Nonionic

Neutral

Which of the following source of energy is abundant everlasting and non polluting.

Choose an answer

Nuclear

Electric

Solar

All above

The magnetic quantum number (m) specifies the individual orbital in a Sub shell for a given l, m can be.

Choose an answer

l,l- l........-1

l........2, l -3.......-2l

l-l-2,..........-l

l-2,l-4, ............-4l

Fluorine does not show variable oxidation state because of.

Choose an answer

its high electronegativity

Its small sixe

low dissociation energy of F-F bond

Non availability of d-orbitals

Which of the following is an azo dye.

Choose an answer

Congo red

Rhodamine B

Ertythroein

Paraosaniline

Glycine reacts with nitrous acid to form

Choose an answer

Methyl amino

Acetic acid

Zwitter ion

Glycollic acid

More Classes

Other Links

PPSC Chemistry Full Book Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer