Question # 1

The smog having high contents of SO₂is

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Neutral smog

Reducing smog

Oxidizing smog

Artificial smog

Which of the following least resembles an ideal gas?

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ammonia

helium

hydrogen

trichloromethane

One kilo calorie is equal to

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4.184J

1000J

4184J

1kJ

Zwitterion is formed by

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Lysine

Benzoic acid

Aniline

Acetamide

Amides are

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Strongly basic

Weakly basic

Acidic

Strongly

For what value of Kc almost forward reaction is complete

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Kc.=10(-30)

Kc.=1

Kc = 10(30)

Kc,=0

C-H bond length in the benzene is

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0.99A°

1.09A°

1.12A°

1.34A°

When a metal rod is dipped in its one molar ionie solution

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Electricity is produced

Electricity is consumed

Redox reaction occurs

Potential difference is set up

How should the conditions be changed to prevent the volume of a given gas from expanding when its mass increased?

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temperature and pressure both ara increased

temperature and pressure both are lowered

temperature is lowered and pressure is increased

temperature is increased and pressure is descreased

Which one of the following is water soluble vitamin?

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Niacin

Riboflavin

Trypsin

Ascorbic acid

The distribution of energies among the molecules of gases was studied by:

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Maxwell

Coulomb

Newton

Boltzmann

When a carboxylic acid reacts with alcohol, it produces a new class of compounds

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Ethers

Esters

Anhydride

Amides

Ethyl acetate reacts with CH₃MgBr to form

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Secondary alcohol

Tertiary alcohol

Primary alcohol and acid

Acid

Li has the lowest reduction potential while the element with highest reduction potential is

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H

F

O

N

Which of the following compounds does not react with NaHSO₃?

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C₆H₅CHO

Acetophenone

Acetone

Acetaldehyde

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+712 KJ mol^-1

+492 KJ mol^-1

-932 KJ mol^-1

-960 KJ mol^-1

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Acidic amino acid

Basic amino acid

Neutral amino acid

None of these

Which one of the following has been hydroxyl and carboxylic acid groups

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Phenols

Picric acid

Phthalic acid

Salicylic acid

Alcohol can be prepared from Grignard's reagent with an aldehyde: If we start with formaldehyde the product alcohol with be

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Primary

Secondary

Territory

Aromatic

Which factor is helping to reduce the environmental pollution

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Rapid growth of population

Urbanization

Industrialization

Increase of plantation

Use of ethanol as:

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Drink

Solvent and fuel

In beverage

All of these

Gypsum is a common mineral of

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Magnesium

Strontium

Calcium

Barium

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