Question # 1

Retarded reaction are those

Choose an answer

In which the rate of the reaction is independent of pressure

In which products are strongly adsorbed on the surface of the solid catalyst

Which are reversible under all conditions

For which G is positive

According to Arrhenius theory an acid is defined as substance which

Choose an answer

Accepts and electron pair

Donatees H+ ion in ammonia

Contains Cl- ions

Furnishes H3O + ion in water

Vitamin D1 is chemically known as

Choose an answer

Ergocalciferol

Tocopherol

Aserphthol

Phylloquinone

Egyptians were using ________ to prepare make up for eyes.

Choose an answer

Nanoaluminium

Nanocopper

Nanosteel

Nanolead

Which of the following is homopolymer.

Choose an answer

Starch

Plexiglas

Orlon

All of these

Which of the following test is not shown by proteins.

Choose an answer

Xanthoproten test

Ninhydrin test

Hopkin cole test

Muliken Barker test

The ionic product equilibrium constant is.

Choose an answer

Ka

Kb

Kc

Kw

The emission of light characteristics of metal and correlation of intensity of the light emitted with concentration of that metal forms the basis of.

Choose an answer

Roman spectroscopy

IR spectroscopy

Flame photometry

Rotational spectroscopy

Which of the following fuel is used in flame photometry.

Choose an answer

Hydrogen gas

Acetylene gas

Methane

Propane

All above

In coordination chemistry the donor atom of a ligand is.

Choose an answer

A Lewis acid

The counter ion

The central metal atom

The atom in the legend that shares an electron pair with the metal

Which of the following substance is generally not considered an air polutant.

Choose an answer

CO

CO2

SO2

NO2

The process of identifying the component present in a sample is called.

Choose an answer

Quantitative analysis

Qualitative analysis

Volumetric analysis

Gravimetric analysis

Which of the following item is not symmetry element.

Choose an answer

Pllane of symmetry

Inversion centre

Improper rotation

Optical activity

A pH of a neutral solution at 100 ^oC when Kw = 1.0 x 10^-12

Choose an answer

0

7

6

7

Relative order of acidity of oxy acid

Choose an answer

HCIO > HCIO2 > HCIO3 > HCIO4

HCIO4 > HCIO3 >HCIO2 > HCIO

HCIO3 > HCIO2 > HCIO > HCIO4

HCIO2 > HCIO4 > HCIO3 > HCIO

Which of the following statement represent disadvantages of sanitary landfill

Choose an answer

Public opposition

Uneconomical

Health hazard

All above

In a one -component system the maximum number of phase that can consist in equilibrium is.

Choose an answer

1

2

3

4

Which of the following reacts with excess oxygen to form a normal oxide.

Choose an answer

Li

Na

K

Rb

Most commercial glasses consist of

Choose an answer

Lime

Soda

Silica

All

Which of the following statements is not relevant to the Plank's quantum Theory.

Choose an answer

Radiant energy is not absorbed or emitted continuously

Radiant energy is emitted or absorbed in the form of small packets of energy.

The quantum oflight energy is called photon

The energy associated with photon of radiation is directly proportional to the wavelength.

Which of the following statement is not true with respect to the role of matter undergoing decomposition.

Choose an answer

Decomposed matter increase soil fertility

They provide a texture which is favorable for plant growth

Organic compounds for complexes with mineral nutrients which enhance uptake by plants.

In high concentration the decomposition product may increase the photosynthesis

Which of the following pairs shows diagonal relationship

Choose an answer

Li and Mg

Na and K

Zn and Cd

Li and BE

Is an instate able colourles gas with a sticky sweet odor and is extremely toxic.

Choose an answer

B2 H6

B4 H10

B3 H9

B6 H10

The reaction of toluene with chlorine in the presence of light gives.

Choose an answer

Benzoyl chloride

Benzyl chloride

m-chlorotoluene

Mixture of 0 and p -chlorotoluene

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

Monomer of neoprene rubber to

Choose an answer

1-chloro 1,3- butadiene

2- chlro, 1,3-butadiene

2-Bromo -1,3- butadiene

2-Methyl 1,3-butadiene

Chemical and physical properties of metal nano particles of atoms were observed to change periodically depending upon

Choose an answer

Number of atoms in a particle

Shape of particle

type of organization

All of the above

Which of the following statements is wrong.

Choose an answer

Covenant compounds are generally soluble is polar solvents.

Covalent compounds have low melting and boiling points

Lower than that of separate H atoms

Sometimes lower and sometimes higher than that of separate H

To increase the life of filament and to low the heat conductivity a mixture in filled in electric bulb.

Choose an answer

Ar & N2

Ar & Kr

Kr & N2

Xe & N2

Strongest inter molecular hydrogen bond is formed in

Choose an answer

H2O

NH3

HF

H2S

In the process of electrosmosis

Choose an answer

Colloidial particles move towards the electrodes

Both colloidal particles and dis persons medium move

Only dispersion medium moves to carry the current

Positively charged colloidal particles move, but negatively charged particles remain stationary

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