Question # 1

Maximum number of electrons in f-subshell is.

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2

6

10

14

How many moles of AgCI are produced by combination of 1.0 mole of AgNO₃and 2.0 mole of NaCI

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1.0

2.0

3.0

4.0

Which bond has more ionic characters in it.

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C - F

N - F

O - F

F - F

The volume occupied by 1.6 g of O₂at STP is

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22.4 dm³

2.24 dm³

1.12 dm³

112 dm³

Which is not is state function

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Enthalpy

Entropy

Pressure

work

Which one of the following has the same number of electrons as an alpha particle.

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H

He

H+

Li+

An aqueous solution of ethanol is water has vaporu pressure.

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Equal to the of water

Equal to that of ethanol

More than that of H2O

Less than that of water

The octet rule in not followed in the formation of

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NF₃

CF₄

CCI₄

PCI₅

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Fe is reduced

Fe is oxidized

CI₂is oxidized

None of these

When a chemical reaction is completed.

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Instantaneous rate > average rate

Instantaneous rate = average rate

Instantaneous rate is zero

Both average and instantaneous rates become zero

The separation of the different isotopes in the mass spectrometer is done on the basis of

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Different amounts of positive changes

Charge e/m value different amounts of negative changes

Different m/e value

Velocities of the ions

Which technique is used ot determine the absorption of radiations.

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Spectrometry

dilatometer method

Refractometric method

Optical rotation method

18 g glucose is dissolved in 90 g o water, The relative lowering of vapour pressure is equal to.

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1/5

5.1

1/51

6

If we plot a graph between I/V at x-axis and pressure at Y -axis

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a parabolic graph is obtained

By increasing temperature straight line move toward x axis

By increases temperature straight line move toward y axis.

No. change in line by increasing temperature.

When atoms are subjected to strong electric field, splitting of spectral lines is called.

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Zeeman effect

stark effect

Photoelectric effect

Compton effect

Allotropy is the property of.

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Compound

Element

Atom

Mixtuer

Chromatography in which stationary phase is a solid is called.

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Partition chromatography

Paper chromatography

High pressure liquid chromatography

Adsorption chromatography

Spontaneous processes are mostly

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Reversible

Irreversible

Not irreversible

None of these

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