Question # 1

Under what conditions do real gases show close to ideal gas behavior?

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low pressure, low temperature

high pressure, low temperature

low pressure, high temperature

high pressure, high temperature

The mono atomic gas molecules are ______ gas molecules

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Halogen

Zero

Noble

Both b and c

Which one of the following is not associated with SN2 mechanism

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100 % inversion of configuration

Tertiar alkyI halides

2nd order kinetics

Change of hy bridization from sp³ to sp² in transition state

What is the co-ordination number of face centered cubic structure?

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12

8

6

10

Which is the example of diffusion of gases

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bubbling in soda bottle

vapour condensing on a moist surface

hot air rising above a candle

spreading of smell from a scent bottle

Which of the following is a reason why real gases do not behave as ideal gases do?

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real gases have intermolecular forces between the molecules

real gases do not have intermolecular forces between the molecules

real gases exist as molecules

molecules of real gases attract each other more strongly than molecules of ideal gases

Which of the following protein has application is food industry

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Globulin

Gelatin

Casein

All

Proxy acetyl nitrat5e (PAN) is an irritant to human beings and it affects:

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nose

stomach

eyes

ears

Primary, secondary aad tertiary alcohols can be identified and distinguished by

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Lucas test

lodoform test

Baeyer's test

Silver mirror test

CFCs destroy ozone layer, How many ozone molecule a chlorine free radical can destroy:

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50,000

100,00

20,000

10,000

Which noble gas is used in mixture used for breathing by divers?

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Ge

Ar

Kr

He

In the hydrolysis of CH₃COOC₂H₅the acid produced is

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Inhibitor

Catalyst

Auto catalyst

None of above

The reaction is galvanic cell is

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Spontaneous

Non-spontaneous

Acid-base

None of these

Which one of the following is not air pollutant gas

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CO

CO₂

NO

SO₂

Alcohol reacts with halogen acid to produce

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Alkyl halides

Aldelydes

Ketones

Alkanes

Which one of the following gases is used for artificial ripening of fruits

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Ethene

Ethane

Methane

Propane

Which metal is used for catalytic hydrogenation of oils

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Cu

Pt

Ni

Pd

______ is called milk of magnesia

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NaOH

KOH

LiOH

None

Acid rains are produced by

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Excess NO₂and SO₂from burining fossil fuels

Excess production of NH₃by industry and coal gas

Excess release of carbon monoxide by incomplete combustion

Excess formation of CO₂by combustion and animal respiration

One kilocalrie is equal to

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4.184 x 10³J

4.184 x 10⁴J

4.184 x 10²J

None of these

The theory of chemical bonding has been a major problem of:

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Modern Physics.

Modern Chemistry.

Modern Biology.

Mechanics.

Who rejected the vital force theory

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Wholer

Fisher

Newton

Lewis

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