Question # 1

An Ideal gas is one which obeys all the gas law at.

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Low pressure

High Pressure

Low and High temperature

All condition of pressure and temperate re

The first ionization energy in electron volts of nitrogen and oxygen atoms are respectively given by.

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14.6, 13.6

13.6, 14.6

13.6, 13.6

14.6, 14.6

Which of the following parameter is not involved in calculations based on Born Haber Cycle.

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Ionization enthalpy

Electron gain enthalpy

Electronegativity

Bond dissociation energy

Which of the following analytical technique is based on the emission of light radiation.

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Flame photometry

Atomic absorption spectrophotometry

Raman spectroscopy

Conductometry

Which of the following organic molecule is not aromatic.

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Benzene

Naphthalene

Anthracene

Cyclo-octatetraene

For a single -component system, the maximum degree of freedom in

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1

2

3

Between 3 and 6

Which of the following technique describes titrations in which a standard iodine solution is need.

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Iodometry

Iodimetry

potentiometry

Argentometry

Which of the following is the correct order of interactions.

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Covalent < hydrogen bonding < Van Der Waal's < dipole -dipole

Van der Waal's < hydrogen bonding < dipole -dipole < covalent

Van der Waal's < dipole -dipole < hydrogen bonding < covalent

Dipole-dipole < Van der Waal's < hydrogen bonding < covalent

The correct order of ionization energies of alkali metals is.

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Li > Na > K > Rb

Na > K > Rb > Li

Rb > K > Na > Li

Rb > K > Li > Na

Lother Meyer plotted a graph showing variation of.

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Atomic volume with increase in atomic number

Atomic volume with increase in atomic weight

Atomic redii with increase in atomic weight.

Atomic weight which increase in atomic number

Fluorine form Fluorides reacting with

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Metals

Non metals

Metalloide

Any of above

Which is major component of Bordeaux mixture.

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Copper sulphate

Sodium chloride

Calcium chloride

Magnesium sulphate

The volume of given mass of gas at constant pressure is directly proportional to the absolute temperature.This is a statement of.

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Charles's law

Boyle's law

Avogadro's law

Dalton's law

The normality of 2.3 M H2SO4 solution is.

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0.46 N

0.23 N

2.3 N

4.6 N

Usually the rate of the reactions is expressed as.

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mol dm-1

mol dm-3 s-1

mol dm-2 s-1

mol 2 dm-3 s-1

Presence of nitrogen in organic compound to tested as.

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Nitrogen gas

NH3

NO

Amide

Which of the following process is not physical in nature.

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Mixing

Flocculation

Sedimentation

Activated sludge process

A correct reaction mechanism for a given reaction usually is.

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The same as the balanced chemical equation

Obvious if its heat of reaction is known

Sometimes difficult to prove

Obvious if the activation energy is known

The energy gap between tag and eg sets in denoted by

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A-

10 Dq

Both A and B

None of above

Nano particles may interact with the support to be.

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Partially oxidized

Partically reduced

Both a and b

None

What is the ASTM tension testing designation for standard method for steel products.

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A 370

E 345

E8

E 9

The half life for a first order reactions 32 s, What was the original concertation if after 2.0 minutes, the reactant concentration is 0.062 M.

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0.84 M

0.069 M

0.091 M

0.075 M

Which of the following statement is not related to the characteristics of gaseous state.

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The inter molecular forces of attraction are not strong in gaseous state

The gases do not have definite shape and volume

The gases are characterized by low density.

The gases have low comprehensibility

Which of the following statements is not related with flame photometric analysis.

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Vaporization of the solvent leaving back the residue

Conversion of solid slat to the gaseous state

Dissociation of gaseous molecules into free atoms

Measurement of the intensity of absorbed tradition

Excluding H-atom , Hydrogen bond never involves more than atoms.

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One

Two

Three

Four

In sodium chloride type lattice, the ratio of coordination number of cation to anion is.

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6:6

7:7

4:8

4:4

What is the oxidation number of the central meal atom in the coordination compound.[Pt(NH#)#Cl]Cl

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-1

0

+2

+3

The second order rate constant can have units.

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dm-6 mol 2 s-1

dm3 mol s-1

dm³ mol^-1 s^-1

dm6 mol-1 s-1

Which of the following does not apply to metallic bond.

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Overlapping valence orbitals

Mobile valency electron

Delocalized electrons

Highly directed bonds

Which of the following is always true for the adiabatic expansion of gas.

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Temperature rises

Pressure rises

W=0

Q = 0

DTA is of great importance in which of the following field

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Ceramic

Metallurgy

Mineralogy

All

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