Question # 1

The aluminium salt commonly used to stop bleeding is

Choose an answer

Aluminium sulphate

Potash Alum

Aluminium chloride

Aluminium fluroide

A^o or 10 Dq is called crystal field.

Choose an answer

Energy

Splitting energy

Stabilization energy

None of above

Among the elements of third period, the element with lowest boiling point belongs to group.

Choose an answer

1

14

16

18

Which of the following hydroxides is most stable.

Choose an answer

Mg (OH)2

Ca(OH)2

Sr (OH)2

Ba (OH)2

According to the VSEPR theory, the shape of the SO3 molecule is.

Choose an answer

Pyramidal

Tetrahedral

Trigonal planar

Distorted totrahedron

Concentrated aqueous sodium hydroxide can separate a mixture of.

Choose an answer

Al3+ and Sn2+

Al3+ and Fe3+

Al3+ and Zn2+

Zn2+ and Pb2+

HCIO4, HNO3 and HCL are all strong acids in aqueous solution inglacial acetic acid medium, their acid strength is such that.

Choose an answer

HCIO4 > HCL > HNO3

HNO3 > HCIO4 > HCl

HCl > HCIO4 > HNO3

A thionic acid

Choose an answer

H2S2O3

H2S2O6

H2S2O8

H2S2O7

On hybridization of one s and one p orbitals we get.

Choose an answer

Two mutualy perpendicular orbitals

Two orbitals at 180^o

Four orbitals directed tetrahedrally

Three orbitals in a plane

The hydrogen bond is strongest in.

Choose an answer

O - H .............S

S - H.............O

F- H....................F

F - H...............O

Radon is obtained only in the radioactive decay of

Choose an answer

Radium

Thorium

Actinium

Any of above

Which of the following has the highest melting poing.

Choose an answer

NaCl

Li Cl

KCl

Rb Cl

A red color gas, on condensing ti gives a dark blue liquid.

Choose an answer

NO

N2O

N2O3

N2O4

Considering the element B,C, N, G and Si, the correct order of their non- metallic character is.

Choose an answer

B > C > Si > N > F

Si > C > B > N > F

F > N > C > B > Si

F > N c > > SI > B

The commonly used catalyst in the manufacture of H2SO4

Choose an answer

Fe2O3 with a little CuO

v2O5

Platinized asbestos and MgSO4

All above

Which of the following is the correct order of interactions.

Choose an answer

Covalent < hydrogen bonding < Van Der Waal's < dipole -dipole

Van der Waal's < hydrogen bonding < dipole -dipole < covalent

Van der Waal's < dipole -dipole < hydrogen bonding < covalent

Dipole-dipole < Van der Waal's < hydrogen bonding < covalent

Lewis concept explain the formation of

Choose an answer

Ionic bond

Covalent bond

Co-ordinate bond

Chemical bond

Which of the following steps are involved in the extraction of copper.

Choose an answer

Roasting

Smelting

Refining

All

The law of triads is applicable to

Choose an answer

Lithium, beryllium, boron

Fluorine, chlorine, bromine

Chlorine, bromine, iodine

Sodium, potassium, Rubidium

Chromium is found in nature in the the form of.

Choose an answer

Oxides

Silicates

Borates

Sulphides

Metallic magnesium is obtained by

Choose an answer

Reduction of MgO with Coke

Electrolysis of an aqueous solution of MgCl2

Electrolysis of molten MgCl2

Displacement of magnesium by iron form MgCl2 solution.

More Classes

Other Links

PPSC Chemistry Part III Inorganic Chemistry Online Test 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