Question # 1

The gases that are responsible for green house effect are.

Choose an answer

CO2 & CH4

CFC

N2O

All above

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.

Which of the following halogen exist in solid state.

Choose an answer

F2

I2

Cl2

Br2

Pick out the incorrect statement for transition metals.

Choose an answer

Cu+ is not a transition metal ion

Transition metals do not exhibit variable oxidation states

Transition metal ions are coloured

Transition metals and majority of their compounds are paramagnetic

The contact process is mainly used when acid is required for the manufactures of.

Choose an answer

Explosives

Fine chemicals

Lead accumulators

All above

A type of a chemical bond which is formed by the mutual sharing of electrons between combining atoms of the same or different elements is called.

Choose an answer

Ionic bond

Covalent bond

Co ordinate Covalent bond

Metallic bond

Which of the following bonds will be non polar.

Choose an answer

N - H

O - H

C - H

C l - Cl

A chemical reaction resulting in a change in the electric charge on the reacting particles may be called as.

Choose an answer

Add ion reaction

Redox reaction

Elimination reaction

Chain reaction

Which of the following molecule does not contain the covalent bond between similar atoms.

Choose an answer

N2H4

F2O2

H2F2

H2O2

Which of the following interaction is the strong.

Choose an answer

Dipole -dipole

Ion induced dipole

Ion -dipole

Dipole induced diple

The process in which ore is heated generally in the presence of air, at temperature below their melting points is called.

Choose an answer

Calcination

Roasting

Fourth floatation

besemerization

Al2Cl6 is an example of

Choose an answer

Ionic bond

Covalent bond

Co ordinate bond

Metallic bond

Which one of the following statement is incorrect in relation to ionization enthalpy.

Choose an answer

Ionization enthalpy increase for each successive electron

The greatest increase in ionization enthaly is experienced on removal of electron from core noble gas configuration

End of the valence electron is marked by a big jump in ionization enthalpy

Removal of electron from orbitals bearing lower value to easier than from orbital having highest n value.

Which of the following statement is true.

Choose an answer

Ferromagnetic separation is used to remove rion impurities from bauxite.

Aluminium is an amphoteric element which means that it can act as an oxidizing agent and as a reducing agent

Aluminium has a strong attinity for oxygen

Aluminothermic reactions are endothermic

Urea is fertilizer

Choose an answer

Nitrogen fertilizer

Potash fertilizer

Phosphorous fertilizer

Complete fertilizer

When two H atoms approach each other then forces operates.

Choose an answer

Attractive forces

Repulaive forces

Attractive and repulsive

None of above

Allotropic form of tin

Choose an answer

White tin

Grey tin

Rhomic tin

All above

Which of the following elements has the highest third ionization energy.

Choose an answer

Sodium

Magnesium

Aluminum

Silicon

Consider the coordination compound K2[Cu(CN)4] A coordinate covalent bond exists between

Choose an answer

K+ and CN-

Cu2+ and CN-

K_ and [Cu(CN)4]2+

C and N in Cn

H2SO4 is used

Choose an answer

In the preparation of aqua regia

In the purification of gold and silver

In the dental filling

None of above

The only oxidation state of alkali metals in their compounds is.

Choose an answer

+1

+2

-1

0

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