Question # 1

What forces operate between ethyl group of ethyl alcohol and oxygen of water

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H-bonding

attractive forces

repulsive forces

dipole forces

Which is not an air pollutant

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N₂

CO

NO

N₂O

Viscosity of a liquid is measured by

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barometer

thermometer

viscometer

manometer

The deviation of a real gas from ideal behaviour is maximum at

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-10.0°C and 50 atm

-10°C and 2 atm

100°C and 2.0 atm

0°C and 2 atm

Deposition of cholesterol in arteries is responsible for:

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Heart attach

diabetes

hepatitis

cancer

Cane sugar on hydrolysis gives

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Glucose+Glucose

Glucose+Fruclose

Glucose+Galactose

Glucose+Gacatose

C₆H₁₂O₆is molecular formula of:

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Glucose

Dextrose

Fructose

All of these

Which of the following substance has maximum critical temperature

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H₂O

N₂

SO₂

Ne

Which one is very weak acid

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HF

HCI

H2CO3

H2O

The elements like N,P,K added into the large amount in soil are called:

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Basic elements

Additives

Macronutrients

Micronutrients

Carboxylic acids can be prepared from:

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Oxidation of alkane

Oxidation of alcohols

Oxidation of aldehydes

All of these

Which of the following statements is most appropriate about effective nuclear charge? It depends upon

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The shielding constant

The atomic number

The charge on the nucleus

Both the nuclear charge and the shielding constant

Phenols are derivative of:

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Alkanes

Alkenes

Alkynes

Benzene

A sequence of how many nucleotides in massenger RNA makes a codon for an amino acid

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Three

Four

One

Two

The solubility of PbF₂is 2.6 x 10^-3mole dm^-3then its solubility product is

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2.6 x 10^-3

6.76 x 10^-6

5.2 x 10^-6

7.0 x 10^-8

[Co(NH₃)₆]³⁺will form ______ structure

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Square planar

Tetrahedral

Octahedral

Trigonal bipyamidal

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Shift reaction toward forward direction

Shift reaction backward

Lower the value of K_c

No change in reaction

In the ground state of an atom the electron is present

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In the nucleus

In the second shell

Nearest to the nucleus

Farthest from the nucleus

SN₂reactions can be best carried out with:

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Prl. alkyl halide

Sec. Alkyl halide

Ter. Alkyl halide

All of three

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4 mole per dm³

2 mole per dm³

0.33 mole per dm³

0.67 mole per dm³

DDT is formed from

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Benzene and Chlorobenzene

Chloral and Chlorobenzene

Chloral and Benzene

Chlorobenzene and chlorine

The diameter of atoms is of the order:

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2* 10^-5m

2* 10^-10m

2* 10^-2m

2* 10^-3m

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