Question # 1

Among the unit cells given below, which has the highest symmetry

Choose an answer

Monoclinic

Cubic

Hexagonal

Orthorhombic

In biological ecosystem which of the following substance is used by organisms.

Choose an answer

Water

Sunlight

Minerals

All above

Oxytocin, a pituitary hormone to

Choose an answer

Amino acid

Polypeptide

Protein

Conjugated protein

The tyndall effect is not observed in

Choose an answer

Suspensions

Emulsions

Colloidal solutions

True solutions

Which of the following is renewable energy source.

Choose an answer

Moon

Wind

Sun

Ocean

Which of the following statement is not related to BVT

Choose an answer

individual orbitals lose their indention

VBT uses the concept of resonance

VBT does not explain the paramanhetic nature of molecule

it uses only valence electron

An indicator for an acid base titration is a

Choose an answer

Weak acid

Weak base

Strong acid

Strong base

Both A and B

Which halide of cesium will be highly ionic in nature.

Choose an answer

K+

Ag+

Rb+

Ca+

Which of the following is not strong electrolytes.

Choose an answer

HCl

H2SO4

HNO3

CH3COOH

According to R, S system the correct order of priority of the following groups is .

Choose an answer

-CH2OH > - CHO > ----- COOH

-COOH > ------CHO > ------CH2OH

---- CH2OH -----> - COOH > -------CHO

--- COOH > - CH2OH >----- CHO

Which of the following is not a component of hollow cathode lamp.

Choose an answer

Anode

Cathode

Filter gas

Atomic vapour

The stabilization of the dispersed phase in a lyophobic sol is due to

Choose an answer

Liking for the dispersion medium

The surface tension of the medium

The formation of an electrical layer between the two phases

The viscosity of the medium

According to SHAB, Lewis acid are divided into.

Choose an answer

Two classes

Three classes

Four classes

None of above

Homolytic fission of convalent bond results in the formation of.

Choose an answer

Free redicals

Carbocations

Carbonions

Both B and C

Which of the following pair on aldol condensation followed by dehydration gives methyl vinyl ketone.

Choose an answer

HCHO and CH3COCH3

HCHO and CH3CHO

CH3CHO and CH3CHO

CH3COCH3 and CH3COCH3

A colloidal system in which both the dispersion phase and dispersed phase are liquid is.

Choose an answer

Smoke

Emulsion

Whipped cream

Mist

The concentration required to give a signal equal to three times the standard deviation of the baseline is called.

Choose an answer

Sensitivity

Detection limit

Signal to noise ratio

None of the above

A mixture containing S2- and SO4 ions on trating with dil HCl will produce

Choose an answer

H2S gas

SO2 gas

H2S and SO2 gas

CO

Copper is mainly extracted from witch of the following ore

Choose an answer

Sulphide ores

Carbonate ores

Oxides ores

Non sulphide ores

When a solute is dissolved in two immiscible solvents it will distributes itself between two phases and the ratio of the concentration of the solute in two phases will be constant, This is known as.

Choose an answer

Starke law

Distribution law

Equilibrium law

Snell's law

The shape of SO₄^2-ion is.

Choose an answer

Tetrahedral

Trigonal planar

Square planar

Octahedral

The main active contaminants of nuclear reactors are.

Choose an answer

Co- 60

Mn -54

Sr-60

All above

Which one of the following elements shows the most stable oxidation state of +1

Choose an answer

AI

Ga

In

TI

The electrolytic method super passes all other methods due to.

Choose an answer

Furity

Cheapness

Easy available

All above

The principal ores of copper are

Choose an answer

Copper sulphides

Copper oxides

Both sulphides and oxides

Copper carbonate

Which of the following technique is not related to instrumental analysis.

Choose an answer

Optical method

Colorimetry

Polarography

Gravimetric analysis

Which of the following term is not used in pulping.

Choose an answer

Kappa number

Copper number

Bromine Number

Octane Number

The decreasing order of the second ionization energies of K, Ca and Ba is

Choose an answer

K > Ca > Ba

Ca > Ba > K

Ba > K > Ca

K > Ba > Ca

Group IV A consist elements.

Choose an answer

3

4

5

6

At high temperature nitrogen combines with calcium carbide to give

Choose an answer

Calcium cyanide

Calcium cyanamide

Calcium nitride

Calcium cabonate

Which of the following expression is correct.

Choose an answer

C = n/RT

C = RT/n

RT = Cn

Cn = 1/RT

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