Question # 1

The volume of a gas that is occupied by its one mole at S.T.P. is known as:

Choose an answer

atomic volume

molar volume

normal volume

total volume

A state function which describes together the internal energy and product of pressure and volume is called

Choose an answer

Enthalpy

internal energy

Work

Kinetic energy

Unit of ozone is?

Choose an answer

Debye

Dobson

Esu

Coulumb

Hydrogen has a = 0.245 atm. dm³. mole^-2and b = 0.0266 dm³. mole^-1SO₂gas has a = 6.170 atm. dm³mole^-2and b = 0.0564 dm³mole where a and b are Van der Waal's constant

Choose an answer

H₂gas deviates more from ideal behaviour tha SO₂

SO₂gas deviates more form ideal behaviour than H₂

both deviate from ideal behaviour equality

both are ideal gases

Which is a good nucleophile as well as a good leaving group?

Choose an answer

F-

Cl-

Br-

I-

The starting substance for the preparation of iodoform is any of the following, except

Choose an answer

СН3СН(ОН)CН3

CH3CH2ОН

HCH2OH

CH3COCH3

Which woody raw material is used for the manufacture of paper pulp?

Choose an answer

cotton

bagasse

poplar

rice staw

New3spapers can be recycled again and again by how many times?

Choose an answer

5

3

2

4

How many esters are possible for C2H8O2

Choose an answer

3

2

4

5

The fibre which is made from vinylidine chloride polymer is called

Choose an answer

rayon fibre

azlon fibre

acetate fibre

all of the above

Carbohydrate that cannot be digested by human digestive system is

Choose an answer

Cellulose

Glycogen

Starch

All of these

Zeotropic mixture

Choose an answer

Obey Henry's law

Obey Raoult's law

Does not obey Raoult's law

Obey Dalton's law

The elements in which d or f-orbitals are incomplete are called

Choose an answer

Transition elements

Typical elements

Actinides

lanthanides

Bronze is an alloy of Cu and

Choose an answer

Zn

As

Sb

Sn

Which statement is true about a free radical

Choose an answer

An atom with a positive charge

An atom with a negative charge

An atom with a lone pair of electrons

An atom with unpaired electron

All 3d series elements show variable oxidation states. The one shown by all 3d elements is

Choose an answer

+2

+3

+4

+5

Which statement about Arrhenius equation is incorrect

Choose an answer

Factor 'A' called Arrhenius constant depends upon collision frequency of reactants

Rate of reaction increase by increasing temperature

Rate constant k is increased

Activation energy Ea is decreased by rise in temperature

A special application of the Hess's law to binary ionic compounds of M⁺X^-type in calculation of their lattice energies is

Choose an answer

Enthalpy of reaction

Born-haber cycle

First law of thermodynamics

Enthalpy of combustion

The size of electronic shell is described by

Choose an answer

Azimuthal Q. no

Magnetic Q.No

Spin Q. No

Principle Q. No

Choose an answer

Zero

253 sec

150 sec

500 sec

A compound possessingα-hydrogen atom, in the presence of dilute alkali formsβ-hydroxy aldehyde. This product on heating with dilute acid forms an unsaturated crotonaldehyde. The compound is

Choose an answer

CH₃CHO

CH₃CH₂CHO

CH₂= CH - CHO

HC = C - CHO

Enzymes, in the living systems

Choose an answer

Provide energy

Provide immunity

Transport oxygen

Catalyze biochemical processes

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