Question # 1

Formic acid is given name from Latin word a "formic" which means:

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Red out

Vinegar

Butter

Milk

The total K.E. of one mole of an ideal gas is given by:

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1/2 RT

3/2 RT

1/2 KT

3/2 KT

Which of the following is not a category of proteins based upon their function?

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genetic

Regulatory

nucleo

structural

Phosphoprotein comes under the type of proteins

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Simple protein

Derived protein

Conjugated

Both A & B

Smell of cooking gas during leakage from gas cylinder is detected because of the property of:

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Effusion

Evapotration

Diffusion

Conduction

Which solids are called true solids

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Crystalline

Vitreous

Amorphous

Metallic

By the electrolysis of CuCl2 using inert electrodes of platinum which species is deposited at cathode

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H2

O2

Cu

CI

Which one is not postulated in the kinetci molecular theory among the following?

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molecules are in chaotic motion

molecules of all the gases have same size and same mass

the volume of the molecules is negligible

all molecular collisions are elastic

Which one of the following elements is not present in all proteins?

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carbon

hydrogen

nitrogen

sulphur

Essential alpha-amino acids are those which are necessary in the diet.

Which one is an essential alpha-amino acids

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Alanine

Aspartic acid

Glycine

Tryptophan

All of the following are aliphatic amino acids except

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Glycine

Alanine

Proline

Lysine

The amount of Ni in stainless steel is

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3%

4%

5%

8%

Acetic acid is manufactured by:

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Distillation

Fermentation

Ozonolysis

Esterification

Which step is unnecessary for purification of water for drinking purposes

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Aeration

Coagulation

Treatment with chlorine

Treatment with iodine

Alcohol reacts with halogen acid to produce

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Alkyl halides

Aldelydes

Ketones

Alkanes

With increases of 10°C temperature the rate of reactiondoubles. This increase in rate of reactionis due to :

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Decrease in activation energy or reaction.

Decrease in number of collisions between reactant molecules.

Increase in activation energy of reactants.

Increase in number of effective collisions

Which on of the following compounds does not exist?

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NCl₅

AsF₅

SbCl₅

PF₅

The empirical formula of a compound is CH₂O. What may be the compound

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C₂H₅OH

C₆H₅OH

HCOOH

Oxidation of ter-alcohol gives:

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Aldehyde

Formaldehyde

Ketone

Alkens

By applying Hess's law, we can calculate

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ΔH

ΔS

ΔF

K

A solution consisting of 92 grams ethyl alcohol (C₂H₅OH) 96 grams methyl alcohol (CH₃OH) 90 grams water the mole fraction and mole percent of methyl alcohol is

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0.3. 30%

0.2, 30%

0.5, 30%

0.2, 20%

Sodium can be obtained by :

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Electrolysis of acidified water.

By heating NaCl and water at 100°

Electrolysis of molten sodium chloride.

Electrolysis of aqueous sodium chloride.

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