Question # 1

In which of the following compounds does hydrogen bonding occur.

Choose an answer

CCl4

NaH

HI

NH3

Which of the following techniques does not belong to column chromatographyy

Choose an answer

TLC

HPLC

Electrophoresis

Ion exchange

Which of the following statements are correct for Linear polymers.

Choose an answer

Linear polymers may be condensation as well as addition polymers

Structure is well packed in nature

Linear polymers have higher density higher melting point and higher tensile strength

All are correct

Indicate false statement about stainless steel

Choose an answer

The density of stainless steel is about the same as carbon or low alloy steels

Stainless steels are poor conductors of heat

Stainless steels are poor conductors of electricity

Stainless steels have tensile moduli greater than those of carbon and alloy steels.

Not a Characteristic property of ceramic material

Choose an answer

High temperature stability

High mechanical strength

Low elongation

Low hardness

Which of the following technique in current voltage technique

Choose an answer

Amperometry

Voltammetry

Poteatiomertry

Polarography

The secondary valency of Conc. CoCl3. 6NH3.

Choose an answer

2

4

6

8

Which of the following metal acts as pollutant.

Choose an answer

Hg

Pb

Zn

Ni

All above

Which of the following is strong adheaive.

Choose an answer

Epoxy resin

Melamine -formadehyde resin

Alkyd resins

Bakelite

The correct order of increasing polar character is.

Choose an answer

H2O < NHE < H2S < HF

H2S < NH3 < H2O < HF

NHE < H2O < HF < H2O

HF < H2O < NH3 < H2S

Classical smog occurs in place of.

Choose an answer

Excess concentration of SO2

Low temperature

High temperature

Excess concentration of ammonia

An induction of dipole or polarity in non polar bond, and consequent electron shifting along a chain of atoms is known as.

Choose an answer

Inductive effect

Resonance effect

Hyper conjugation

None of the above

The IUPAC name of C2H3, CO , OC OC2H5 in

Choose an answer

Prepanoic anhydride

Ethanoic anhydride

Diketoethoxy ether

None of the above

The electrical conductivity of a nano tube is __________ times that of copper.

Choose an answer

10

100

1000

1/100

Which of the following is an example of super octet molecules.

Choose an answer

C1F3

IF7

PCl5

All the three

Which of the following alkaline earth metals occurs in radioactive form in nature.

Choose an answer

Ca

Mg

Ra

Ba

Which of the following gas protects us form harmful effect of uv radiation.

Choose an answer

SO2

NO2

CO

O3

Which of the following elements has the highest density.

Choose an answer

Mg

Na

K

Rb

Which of the following statement is not related to MOT

Choose an answer

Atomic orbitals lose their identities

MOTgives as idea of denationalization

MOT uses all the orbitals and elections

It treated bond as purely covalent

Solid sodium chloride does not conduct electricity be cause.

Choose an answer

In solid NaCl, no ions are present

Solid NaCl is covalent in nature

In solid NaCl, there is no mobility of ions

In solid NaCl, there are no electrons.

If diesel has cetane number of 50 then the diesel index will be.

Choose an answer

36

46

56

66

All halogens exist as covalent molecules.

Choose an answer

Monoatomic

Daitomic

Triatonic

Tetra atomic

Which among the following hydride is ionic in nature.

Choose an answer

Ammonia

Protium oxide

Calcium hydride

Sulphane

Bases and reducing agents are electron giving agents and also called as.

Choose an answer

Electrodotic

Electrophile

Nucleophile

None of above

The Lewis structure of which of the following does not have coordinate bond.

Choose an answer

SO2

HNO3

H2SO4

HNO2

What is the possible number of optical isomers for a compound contained 2 dissimilar asymmetric carbon atoms.

Choose an answer

2

4

6

8

The relative error is usually expressed as

Choose an answer

Parts per ten

Parts per one

Parts per hundred

Botha C and D

Which of the following analytical technique is not concerned with atomic spectroscopy.

Choose an answer

Flame photometry

Flame emission spectrometry

Atomic absorption spectrometry

I-R spectrophotometry

Which of the following techniques involves the distribution of solute between two immiscible liquid phases.

Choose an answer

Chromatography

Electrophoresis

Solvent extractions

Solid phase extraction

The size of nanoparticles is between __________ nm

Choose an answer

100 to 1000

1 to 100

0.1 to 10

0.01 to 1

Enantiomers have which of the following characteristics.

Choose an answer

Rotate ordinary light

Have the same melting point

Are superimposable mirror images

React with optically active molecule at the same rate

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