Question # 1

The Lewis structure of which of the following does not have coordinate bond.

Choose an answer

SO2

HNO3

H2SO4

HNO2

Which of the following is a component of soap.

Choose an answer

Sodium sulphate

Sodium stearate

Sodium chloride

Sodium bromide

The number of degree freedom at the triple point for the water system in.

Choose an answer

One

Two

Three

Zero

The velocity possessed by maximum fraction of molecules at a given temperature is called.

Choose an answer

Average velocity

Root mean aquare velocity

Most probable velocity

None of the above

Which of the following statements do not represent Lewis idea of acids and base?

Choose an answer

Compounds which have completely filled orbitals

Compounds which have incompletely filled orbitals

Compounds in which the central atom can expand its octel

All simple metal ions like Ag+, Al3+ etc.

Any substance which has solidified from the liquid state with crystallization is known as

Choose an answer

Steel

Fibre

Glass

Asbestos

Potentiometry is based on the measurement of which physical property.

Choose an answer

Electrical conductance

Electrical potential

Thermal conductance

Current

Which of the following radical is not a member of II group.

Choose an answer

Cu²⁺

Cd²⁺

Ba³⁺

K+

Which of the following system has low as well as upper consolute temperature.

Choose an answer

Nicotine - water

Aniline -water

Triethlylamine -water

Phenol -water

For an average exposure of 8 hours per day, the maximum permissible concentration limit of CO in the atmosphere is.

Choose an answer

50 ppm

500 ppm

10³ ppm

20 ppm

For dilute solutions colligative properties depend on.

Choose an answer

The number of the particles of the solute and nature of solvent.

The number of the solute particles and on their nature

The number of the solute particles and nature of solute and solvent

The number of the solute particles and irrespective of the nature of the solute and solvent.

Group IV A consist elements.

Choose an answer

3

4

5

6

Which of the following compounds combines with hemoglobin.

Choose an answer

CO2

CO

NO

N2

Which of the following species has highest bond energy.

Choose an answer

H2

T2

D

Cl

When SI is dipped with As, it becomes

Choose an answer

Superconductor

p-type conductor

N-type conductor

None of these

The dye which is a constituent of Skiffs reagent used for detection formaldehyde group is.

Choose an answer

Gentain violet

Megneta

Phenolphthalein

Rosolic acid

Copper is mainly extracted from witch of the following ore

Choose an answer

Sulphide ores

Carbonate ores

Oxides ores

Non sulphide ores

At the some temperature 0.1 M solution of urea is isotonic with.

Choose an answer

0.1 M glucose solution

0.1 M NaCl solution

0.1 M urea solution

0.1 M BaCl2 solution

The polarity of bonds can lead to polarity of molecules and affect

Choose an answer

Melting point

Boiling point

Solubility

All of above

The formula of sulphur sequioxide

Choose an answer

SO4

S2O7

S2O3

SO3

Select a basic amino acid.

Choose an answer

Glycine

Cystine

Alanine

Lysine

Which of the following functional groups is not involved in ion exchange chromatography.

Choose an answer

Weak acids

Strong acids

Strong bases

Carbohydrates

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

Which of the following is not a correct postulate of the kinetic theory of gases.

Choose an answer

The molecules are in random motion

The gaseous collisions are perfectly elastic

The average kinetic energies of different gases are equal at a particular temperature.

The pressure exerted on the walls of the container is due to inter molecular forces.

The sugar present in RNA is

Choose an answer

D- ribose

D-Arabinose

D-Glucose

Deoxyribose

Lewis concept explain the formation of

Choose an answer

Ionic bond

Covalent bond

Co-ordinate bond

Chemical bond

For the respiration of sea divers mixture is used.

Choose an answer

He & O2

Ar & O2

Ne & O2

Kr & O2

In which pair of species, the Lewis formulae contain same number of ion pairs and bond pairs but they are not isoelectronic.

Choose an answer

O2, N2

SO2, O3

PCl3 , BF3

SOCl2, COCl3

In confining and growing nano roade CNTs will act as.

Choose an answer

Template

Support

Source of oxidant

Sieve

Which is not true about polymers.

Choose an answer

Polymers do not carry any charge

Polymers have high viscosity

Polymers scatter light

Polymers have low molecular weight

Which of the following statement is not correct n respect of Arrhenius concept.

Choose an answer

The concept is applicable only for aqueous systems.

Neutralization takes place in aqueous mediam only

TH+ ion cannot remain as such in water

This concept is applicable for non aqueous system only.

More Classes

Other Links

PPSC Chemistry Full Book 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

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