Question # 1

An ideal gas, obeying Kinetic theory of gases cannot be liquified, because

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its critical temperature is above 0°C

its molecules are relatively small in size

It solidifies before becoming a liquid

Forces acting between its molecules are negligible

The energy produced by a carbohydrate is

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3 kcal/gm

2 kcal / gm

6kcal / gm

4 kcal/ gm

Ethyl alcohol reacts with PCL and produces:

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Haloalkane

Alkyl halide & H3PO3,

Alkyl halide & POCl3

Alkyl halides &H3PO4.

Density of H₂gas at 0°C is 0.09 under 1 atmospheric pressure. The density of O₂gas under the same conditions of temperature and pressure is

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0.36

1.00

1.44

1.18

Synthetic organic pesticides formulated nowadays are more then:

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One thousand

Ten thousand

Two thousands

Twenty thousand

Which is not a calcareous material?

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line

clay

marble

marine shell

Potable water is considered to be:

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safe for human consumption

the ground water

the Surface water

now water is due to the salt of:

Simple sugars are:

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Monosaccharides

Disaccharides

Oligo saccharides

Trisaccharides

Amino acid which synthesized many hormones is

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Valine

Phenylalanine

Alanine

Histidine

In the body, carbohydrates are broken down into

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Glucose

Fatty acids

Amino acids

Nucleic acid

For a chemical reaction to occur

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The vessel shall be open

Reacting molecules should have less energy than Ea at time of collision

Reacting molecules must be properly oriented and energy more than or equal to Ea

The reacting molecules must not collide with each other

Williamson's synthesis is used to prepare

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Diethylether

Phenolphthalein

Hydrogenation

Bakelite

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s

p

d

f

Which quantum number is sufficient to describe the electron is hydrogen atom?

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l

n

m

s

Ricket is caused due to the deficiency of vitamin

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A

D

B

E

Which of the following reagent will react with both aldehyde and ketones?

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Grinard's reagent

Tollen's reagent

Fehling's reagent

Benedict's reagent

Formic Acid is obtained from Red out by:

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Distillation

Crystallization

Filtration

sublimation

The formula of esters is

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Kolb's method of alkanes production, is actually

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Hydrolysis

Catalysis

Electrolysis

Hydrogenation

Alkanes have functional group :

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----X

--OH

----COH

No functional group

The structure of white phosphorus is

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Square planar

Pyramidal

Tetrahedral

Trigonal planer

Between CH₃COOH and HCOOH, HCOOH will be

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Less acidic

Equally acidic

More acidic

None

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