Question # 1

Beryllium differs from other elements of group Il-A due to

Choose an answer

high charge density

comparatively high nuclear charge

small radius

all above

Which of the following is thermosetting polymer

Choose an answer

Synthetic varnishes

Epoxy resins

PVC

Both A and B

Which one of the following has zero dipole moment

Choose an answer

NH3

CHCI3

H2O

BF3

Which of the following undergoes easy dehydration?

Choose an answer

3-MethyIbutan-2-ol

Ethanol

2.Methylpropan-2-ol

Methanol

A molecule which contains two lone pairs and two bond pairs of electrons in valence shell of central atom, geometrical shape of molecules will be

Choose an answer

Tetrahedral

Trigonal pyramidal

Angular

Linear

NaNO₃and CaCO₃crystals are Rhombohedral isomrophism is due to

Choose an answer

both soluble in water

their cations belong to S block element

same shape of NO₃^-1and CO₃^-2ions which is triangular planar

same number of O atoms

During thunderstorms, water dissolves

Choose an answer

Dust particles

HCl

Nitric acid

Clouds

The motion imparted to the gas molecules by gravity is

Choose an answer

very small

very large

negligible

appreciable

Exhaust fumes of cars contain which poisonous gas

Choose an answer

CH₄

C₂H₆

CO

All of these

In nucleophilie substitution bimolecular reaction the order of reaction with respect to substrate

Choose an answer

2 order

3 order

1st order

Zero order

Transition compounds which occur as tripositive ions have no

Choose an answer

4s-electron

3p-electron

3s-electron

2s-electron

Which is liquid among the following alkenes?

Choose an answer

Ethane

Propene

Butene

Pentene

96500 C electricity is passed through CuSO₄. The amount of copper precipitated is

Choose an answer

0.25 mole

0.5 mole

1.0 mole

2.00 mole

Eutrophication causes reduction in

Choose an answer

Dissolved hydrogen

Dissolved oxygen

Dissolved salts

All the above

An ionic compound M₂S₃is formed by the metal M,, the metal is

Choose an answer

Ca

Ba

K

Al

Which of the following are electropositive in nature

Choose an answer

Alkali metals

Alkaline earth metals

Halogens

Alkali and alkaline earth metals

The rate of reaction :

Choose an answer

Remain same as reaction proceeds.

May decrease or increase as reaction proceeds .

Increase as reaction proceeds.

Decreases as reaction proceeds.

Al is the most element in earth crust:

Choose an answer

O

Si

Al

Pb

In the ground state of an atom the electron is present

Choose an answer

In the nucleus

In the second shell

Nearest to the nucleus

Farthest from the nucleus

The nature of positive rays depend on:

Choose an answer

Nature of discharge tube.

Nature of resident gas.

Nature of electrode.

All of above.

When initial concentration of reactants an order of reaction is given, then its half life period can be calculated by the equation

Choose an answer

Electrophilic substitution

Free radical reduction

Isomerisation

Nucleophilic substitution

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