Question # 1

Which of the following equations is the most general equation of state.

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Vander Waal's equation

Dielectric equation

Clasuaiua equation

Kamberling Onnes equation

Which of the following combination is used to make buffer.

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NaOH and HCl

KOH and H2SO4

CH3COOH and CH3COONa

CH3COOH and NH4OH

Which of the following method is used for the coventrating of ores.

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Gravity separation

Magnetic concentration

Fourth floatation

Electrostatic concentration

All

The isoelectric point of a protein or amino acid to.

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pH at which it does not have any charge

pH at which it does not have not charge and does not migrate in electric field

pH at which the concentration of cation is greater than amino

pH at which the concentration of anion is greater than cation

"There is a plenty of room at the bottom" This was stated by

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Issac Newton

Albert Einstein

Richard Feynman

Eric Drexler

Which of the following statement is not true in case of catalytic reforming.

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High temperature results in loss of reformate yield

High naphthenic stock require high space velocity

Presence of water decrease the hydrocracking activity.

None of above

The attraction which exists between carbon dioxide molecules in solid carbon dioxide is due to.

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Van der Waal's forces

Molecule ion forces

ionic bonds

hydrogen bonds

The quantum yield of a Photo chemical reaction in

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Always less than unity

Always equal to unity

Always greater than unity

Can have any value > 0 depending on the reaction

Which of the following carbides reacts with H2O to form propane.

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Al4C3

CaC2

SiC2

Sic

The designation of an orbital with n =4 and l = 1 in

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4 s

4 p

4 d

4 f

The phenomenon of x-ray diffraction was studied by

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Huygen

Bragg

Max Planck

None of above

In the electronic structure of acetic acid,the total number of shared and unshaped pair of electrons are respectively.

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16 ,8

8 ,4

12 ,8

8 ,12

Which one of following is non polar

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CH2Cl2

CCl4

CHCl3

CH3Cl

Drying agent which react with CO2 and removes water vapours is.

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CaO

CaCl2

CaCO3

Ca(NO3)2

Molecule of oxygen is

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Diamagnetic

Paramagnetic

Both A and B

None of above

Which of the following detector is used for compounds containing electronegative atoms.

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Mass specdtrometer

ECD

TCD

UV-detector

BCl3 is a planar molecule because B atom is.

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sp2 hybridized

Sp3 hybridized

sp hybridzed

sp3 d hybridized

Which is the purest form of iron.

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Pig iron

Cast iron

Wrought iron

Steel

The rate constant of a reaction has same units as the rate of the reaction The reaction is of.

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Second order

First order

Three order

Zero order

The total number of bond pairs around sulphur and total number of lone pairs around oxygen atoms in the Lewis structure of sulphate ion are respectively.

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4, 12

8,12

12,4

6 ,12

According to SHAB, Lewis acid are divided into.

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Two classes

Three classes

Four classes

None of above

In each period the most electro negative element belongs to.

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^{Group -1}

Group -17

Group -2

Group -18

Perdisulphuric acid is.

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Marshal acid

Caro acid

None of above

Any of above

The formation of daughter DNA's from parent DNA is called.

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Transalation

Transcription

Reproduction

Replication

The technique which involves the equivalence relation between the quality of electric current passed and quantity of chemical change taking place in the electrochemical cell is called.

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Voltametry

Coulometry

Polarography

Potentiometry

Which of the following acids acts as acid waste from coal mines.

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HCl

HNO3

CH3COOH

H3PO4

The most important conditions for the formation of ionic bond are.

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High ionization energy of the metallic atom and high electron affinity of the non metallic atom.

Low ionization of the metallic atom and low electron affinity of the non metallic atom.

Low ionization energy of metallic atom and high electron affinity of the non metallic atom

High ionization energy of the metallic atom and high electron affinity of non metallic atom.

Aluminium reacts with boiling water to liberatedi hydrogen gas along with the formation of.

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Aluminium oxide

Aluminium hydroxide

Aluminium suboxide

Aluminium superoxide

Which of the following compounds liberates CO2 on heating.

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Li2CO3

Na2CO3

K2CO3

All liberate CO2 on heating.

Which of the following technique is most sanative one.

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Photomerty

AAS

Flame photometry

Flourimetry

Which of the following have identical bond order.

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CN- and O2-

CN - and NO+

O2- and CN+

NO+ and CN+

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