Question # 1

The molar mass of an organic acids is determined by

Choose an answer

Depression of freezing point

Elevation of boiling point

Volumetric method

Victor Myer's method

The physical methods of nano roads syntheses involves.

Choose an answer

Top down approach

Bottom up approach

Left right approach

Right left approach

Not a Characteristic property of ceramic material

Choose an answer

High temperature stability

High mechanical strength

Low elongation

Low hardness

Which of the following represents the correct order of ionic radii

Choose an answer

La+ < Na+ < K+ < Rb+

Li+ > Na + > K+ >Rb+

Li = Na + = K+ = Rb+

Rb +> Na+> K+ > Li+

The electronic configuration of sodium (Z=11)

Choose an answer

1s2, 2s2, 2p4

1s2, 2s2, 2p6, 3s2 , 2p5

1s2, 2s2, 2p6, 3s1

1s2, 2s2, 2p6, 3s2

The 'shape' of molecule ." Xe F6 is.

Choose an answer

Pentagonal bipyramidal

Regular octahedral

Distorted octahedral

Square planar

Which of the following analytical technique is used for the separation of an interfering substance or analyte from the mixture.

Choose an answer

Precipitation

Distillation

Electrode position

All above these

Which of the following test is not shown by proteins.

Choose an answer

Xanthoproten test

Ninhydrin test

Hopkin cole test

Muliken Barker test

A stable molecule is a group of atoms held together by

Choose an answer

Chemical forces

Physical forces

Valence force

None of above

The concept is also known as electron pair donor acceptor system.

Choose an answer

Bronsted Lowery

Lewis

Lux -Flood

Usanovich

Aluminium halides is.

Choose an answer

White crystalline solid

Hygroscopic

Sublimes at 180^oC

All above

Four elements A, B,C,D have atomic numbers Z , 1 ,Z, Z +1 and Z +2 Respectively If Z is 9, then bond between which pair of elements will be ionic.

Choose an answer

A and C

D and C

D and B

B and C

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

Which of the following techniques is capable of seperating minute quantities of the substances in a relatively short times with high resolutions.

Choose an answer

Gel electrophoresis

Capillary electrophoresis

GC

HPLC

Electronegativity of Oygen is.

Choose an answer

2.5

3.5

2.4

2.1

The metallic character of group 14 elements

Choose an answer

Decreases from top to bottom

Increases from top to bottom

Does not change gradully

Has no significance

Which is the correct order of wave number of the following redistions.

Choose an answer

X-rays > uv > Infrared > visible> radio waves

X-rays > uv > visible > Infrared > radio waves

X-rays > radio waves > uv > visible > Infrared

X-rays > Infrared > uv> visible > radio waves

Finely divided iorn combines with CO to give

Choose an answer

Fe(CO)3

Fe2 (CO)9

F33(CO)12

Fe(CO)6

The bond order for BO molecule is.

Choose an answer

2.5

3.0

2.0

3.5

The fraction of the total current carried to an ion is called itss.

Choose an answer

Ionic mobility

Transport number

Limiting ionic conductance

None of these

Which of the following disposal method is used for agriculture wastes.

Choose an answer

Dump

Landfill

Incineration

Open burning

All above

Monomer of Nylon -6 is

Choose an answer

Adipic acid

Hexamethylenediamine

Caprolactam

All of these

CNG is stored under

Choose an answer

Power genertion

Electric Generators

Solvent

All of above

What % if nickel is present in the major ore Pentlandite.

Choose an answer

22%

18%

14%

10%

Which of the following interaction is involved in solid phase extraction technique.

Choose an answer

Van der Waals forces

Dipolar attraction

H bonding

All of above

Which one has a co ordinate bond.

Choose an answer

Al2Cl6

BF3

NaCl

O2

Aviation Fuel contains.

Choose an answer

Light Naphtha

Medium Naphtha

Kerosene

Diesel

The most convenient and has nearest approach to a universal pH measurement

Choose an answer

pH strips

pH indicator

The emf method

The colorimetric

The agricultural field that produces maximum methane gas into atmosphere is

Choose an answer

Wheat field

Paddy field

Cotton field

Groundnut field

What is the scaling off of a surface in flakes or layers as the result of corrosion?

Choose an answer

Expoliation

Corrosion fatigue

Scaping

Fretting

Which type of the solids are generally good conductors of electricty.

Choose an answer

Covalent

Ionic

Metallic

Molecular

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