Question # 1

Elimination of molecular reactions usually obey:

Choose an answer

first order kinetics

second order kinetics

third order kinetic

zero order kinetic

Glass is a

Choose an answer

Micro-crystalline solid

Super-cooled liquid

Gel

Polymeric mixture

Dehydrogenase is an erample of

Choose an answer

Transferase

Hydrolase

Lyase

Oxido-reductase

Addition of washing soda removes

Choose an answer

Softness of water

Temporary hardness of water

Permanent hardness of water

Hydrogen from water

About 25% of earth crust mass is made up of element

Choose an answer

Oxygen

Silicon

Aluminium

Aluminates

Term ozone hole is used for depletion of ozone during months of:

Choose an answer

Jan-Feb

March - Sep

Sep- Nov

Dec-Feb

Macromolecular hypothesis acceptance due to efforts of standinger came about in:

Choose an answer

1910

1920

1930

1940

The boiling point of glycerin at 1 atmospheric pressure is:

Choose an answer

290°C

390°C

190C°

210°C

Butane has isomeric forms

Choose an answer

3

4

2

1

The amount of heat required to convert one mole of solid into liquid is called

Choose an answer

molar heat of fusion

heat of fusion

heat of vaporization

heat of liquefaction

Detergents are surfactants and they reduce the

Choose an answer

B.P. of water

Surface tension of water

Wetting ability of water

None of these

Specific conductivity of a solution

Choose an answer

Increases with dilution

Decreases with dilution

Remains unchanged with dilution

Depends on mass of electrolyte

DDT is formed from

Choose an answer

Benzene and Chlorobenzene

Chloral and Chlorobenzene

Chloral and Benzene

Chlorobenzene and chlorine

Acetylene had a characteristic ethereal smell resembling that of

Choose an answer

Ginger

Vinegar

Garlic

Onion

When alkyl halides are heated with aqueous solution of ammonia at about 100°C, amines are formed. This reaction is known as

Choose an answer

Williamsons synthesis

GHoffmans reaction

Wurtz reaction

Clemensen reaction

The element which has a simple cubic lattice in solid state is

Choose an answer

Se

Te

Po

None of these

Choose an answer

Condensation

Electrophilic substitution

Free radical substitution

Nucleophilic substitution

Which one of the following substance is no used as drying agent in desiccators

Choose an answer

Silica gel

CaCl₂

Phosphorous

NaCL(50%)

The nitration of benzene takes place when it is heated with a mixture of conc.HNO₃and conc. H₂SO₄at 50°C in ratio of

Choose an answer

1 : 2

1 : 1

1 : 3

2 : 1

Salol is prepared from

Choose an answer

Salicylic acid and phenol

Salicylic acid and methyl alcohol

Both

None

The number of subatomic particles in atoms sidcovered is more than:

Choose an answer

110

100

125

90

CaC₂on hydrolysis form

Choose an answer

CH₄

C₂H₄

C₂H₂

C₆H₆

More Classes

Other Links

Chemistry General Science Test Medium Mode MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer