Question # 1

Which noble gas is used in mixture used for breathing by divers?

Choose an answer

Ge

Ar

Kr

He

An ideal gas cannot be liquefied because:

Choose an answer

It solidify before becoming a liquid

Its critical temperature is always above 0^oC

It is molecule are relatively smaller in size.

Forces operative between its molecules are negligible

Which of these polymers is a synthetic polymer?

Choose an answer

animal fat

starch

cellulose

polyester

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

Polypeptides are formed from amino acids by

Choose an answer

Oxidation

Addition

Condensation

Reduction

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

Choose an answer

1/2 RT

3/2 RT

1/2 KT

3/2 KT

In an electrochemical series, elements are arranged on the basis of

Choose an answer

pH scale

pKa scale

pOH scale

Hydrogen scale

The existence of a substance in more than one solid modification is known as

Choose an answer

Isomorphism

Polymorphism

Amorphism

None of these

The order of reaction provides valuable information about of reaction

Choose an answer

Condition

Concentration

Mechanism

Parameters

The one atmospheric pressure of air in term of pound per square inches is

Choose an answer

101.325

1.01325

760

14.7

Which is the optimum temperature for the activity of enzyme?

Choose an answer

20 - 35°C

10 -15°C

55 - 70°C

35 - 55°C

Which compound will not dissolve in H₂O

Choose an answer

C₆H₆

C₂H₅OH

CH₃CH₂CH₂OH

CH₃- OH

Those compound which have any atom other than C as member of rings are called as

Choose an answer

Monocyclic

Hetrocyclic

Aliphatic

Both a and b

The actual number of atoms or molecules taking part in rate determining step is

Choose an answer

Rate of reaction

Velocity of reaction

Order of reaction

Molecularly

Choose an answer

di(4-bormophenyl) method

Methanol

Propan-1-ol

Propan-2-ol

E = hv is the

Choose an answer

Spectral equation

Plank's equation

de Broglie's equation

None of these

A polymer may be

Choose an answer

Linear

Branched

Cross linked

All of these

Which of the following cannot conduct electricity :

Choose an answer

NaCl fused.

NaCl(aq)

NaCl(Solid)

Both (b) and (c)

The relative lowering of vapour pressure is equal to the mole fraction of the solute is statement of

Choose an answer

Rault law

Henry law

Dalton law

Grahms law

Choose an answer

-110.7 KJ/mole

+110.7 KH mole^-1

676.7 KJ mole^-1

+393.7 KH mole^-1

Thre rate of S_N2 reaction depends upon the

Choose an answer

Concentration of alkyl halides

Concentration of nucleophile

Concentration of alkyl halides and nucleophile

None of the above

Cracking normally gives smaller ______

Choose an answer

Alkanes

Alkenes

Alkynes

Both a and b

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