Question # 1

The study of coiled long peptide chains of protein to give a 3 dimensional structure is the study of.

Choose an answer

Primary structure

Secondary structure.

Tertiary structure

Quaternary structure.

Which property is not exhibited by carbon in its compounds.

Choose an answer

Forming bounds to other carbon atoms

Formation multiple forms

Exhibiting allotropic forms

Forming compounds with coordination number beyond four

The energy gap between tag and eg sets in denoted by

Choose an answer

A-

10 Dq

Both A and B

None of above

The temperature of which the compound melts into a liquid to the same composition as the solid is called the

Choose an answer

Congruent melting point

Incongruent melting point

Peritectic temperatures

Metastable point

Which of the following energy is trapped by the autotrophic organisms.

Choose an answer

Mechanical energy

Electrical energy

Radiant energy

Electronic energy

It is known that AgCl is insoluble in HNO3 but dissolves readily in NH4OH solution .Which of the following statement is not correct.

Choose an answer

Ag ion reacts to form complex with NH4OH solution

The concentration of Ag ion decreases

Ionic product is less than the solubility product

Ionic product is greater than solubility product

Noble gases are sparingly soluble in water owing to.

Choose an answer

Dipole -dipole interactions

Dipole -induced dipole interactions

Hydrogen bonding

Induced dipole -instantaneous dipole interactions

Enfleurage process is ued to extract the essential oils from

Choose an answer

Bark of plant

Seeds of plant

Leaves of plant

Flowers of plant

Which of the following does not represent Lewis acid.

Choose an answer

ZnCl2

FeCl2

BF3

Bul4

Which of the following sets of quantum number is possible for an electron in a 4f orbital.

Choose an answer

n = 4,l = 3, m = 4, s = +1/2

n = 4, l= 4, m = +4 , s = +1/2

n = 4, l = 3, m = +1, s = -1/2

n = 4, l = 4, m = +1 , s = -1/2

Stainless steel consists of which elements.

Choose an answer

Fe only

Cr only

Fe and Ni

Fe ,Ni and Cr

Group IV A consist elements.

Choose an answer

3

4

5

6

An acid base titration involves a neutralization reaction in which an acid is reacted with an equivalent amount of base The titrant is always a strong acid or base The analyte may be

Choose an answer

Strong acid

Strong base

Weak acid and Weak base

All above

Equivalent conductance is expressed in the units.

Choose an answer

S cm-1 eq -1

S cm eq-1

S cm2 eq-1

S cm2 eq

Xe reacts directly with

Choose an answer

O2

Cl2

F2

Br2

The electronegativity of phosphorus is.

Choose an answer

3.0

2.1

2.0

1.9

The geometry of the molecule is primarily decided by

Choose an answer

Bond pairs around the central atom

No of k bond around the central atom

No of bond pairs as well as lone pairs around the central atom

No. of lone pairs on central atom

Which of the following water require zero hardness.

Choose an answer

Boiler feed water

Laundry water

Paper will water

Dyeing water

The noble gases are used due to having property

Choose an answer

Chomical inertness

Low boiling point

Any of a or b

Both a and b

The unit of nucleic acid having base sugar combination is called.

Choose an answer

Nucliec acid

Nucleoside

Nucleotide

None of these

Which of the following is not true as compared with alkaline earth metals.

Choose an answer

Alkali metals are more reactive

Alkali metals have lower density

Alkali metals are more electro positiveness

Alkali metals have stronger metallic bonds

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

Choose an answer

Gentain violet

Megneta

Phenolphthalein

Rosolic acid

Which of the following is the strongest oxidant.

Choose an answer

F2

Cl2

br2

I2

In the metallurgy of iron, when limestone is added to the blast furnace, the calcium ion ends up in.

Choose an answer

Slag

Gangue

Metallic calcium

Calcium carbonate

When a solute is dissolved in two immiscible solvents it will distributes itself between two phases and the ratio of the concentration of the solute in two phases will be constant, This is known as.

Choose an answer

Starke law

Distribution law

Equilibrium law

Snell's law

The absorbance is directly proportional to the path length in the flame and to the concentration of atomic vapor in flame is a statement of.

Choose an answer

Lambert's law

Beer's law

Honery's law

Starke law

UV radiation from the sun causes a reaction in the atmosphere that leads to production

Choose an answer

Fluorides

Carbon monoxide

Sulphur dioxide

Ozone

If the values of standrd deviations for the first and second method differ, then which of the following test helps one to know whether this difference is significant.

Choose an answer

Student's test

F-Test

Chi square test

Standard deviation

Dull red flame is observed with

Choose an answer

Calcium salt

Barium salt

Strontium salt

Sodium salt

Which of the following process is used for the conversion of matte is to nickel.

Choose an answer

Orford process

Mond's process

Electrolytio process

All

The IUPAC name of ethylene oxide is.

Choose an answer

Epoxy methane

Oxcethene

Methoxymethane

All of the above

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