PPSC Lecturer Chemistry Test 20 Online Preparation MCQs

1 Comment / By Hassan / October 24, 2020 October 24, 2020

Given below on this Website Online Free Taleem is free online MCQ’s test related to PPSC of Lecturer Chemistry. All the individuals who are going to appear in PPSC Lecturer of Chemistry written test can attempt these tests in order to prepare for it in best possible way. Our tests include all the important questions MCQs of Lecturer of PPSC Chemistry, all Past Papers of Lecturer of Chemistry PPSC that have extremely high amount of chances for been included in the actual exam which make our test undoubtedly the best source of preparation.

Note:-

There will be 25 multiple choice question in the test.
Answer of the questions will change randomly each time you start this test.
Practice this test at least 5 times if you want to secure High Marks.
At the End of the Test you can see your Test score and Rating.
If you found any incorrect answer in Quiz. Simply click on the quiz title and comment below on that MCQ. So that I can update the incorrect answer on time.

Please Click Below START Button to Take this Lecturer Chemistry Test Online.

Test Instructions:-
Test Name	Lecturer Chemistry
Subject	Chemistry Test 20
Test Type	MCQs
Total Questions	25
Total Time	20 Minutes
Total Marks	100

You have 20 minutes to pass to the quiz.

PPSC Lecturer of Chemistry Test 20

1 / 25

A solution can be both:

dilute and concentrated

saturated and unsaturated

dilute and saturated

saturated and super saturated

2 / 25

Only London dispersion forces are present among the...............?

Molecules of water in liquid state

Molecules of solid iodine

Atoms of helium in gaseous state at high temperature

Molecules of hydrogen chloride gas

3 / 25

Quantum number values for 3p orbitals:

n=3 1=0

n=3 1=3

n=31=2

n=31=1

4 / 25

Which of the following elements has greater 1st ionization energy ?

5 / 25

For a given process the heat changes at constant pressure (qp) and at constant volume (qv) are related to each other:

qp = qv

qp < qv

qp = qv / 2

qp > qv

6 / 25

Which of the following elements conduct electricity and also melts below 100°C ?

Sodium

Carbon

Aluminium

Sulphur

7 / 25

Equal masses of methane and oxygen are mixed in empty container at 250?(C) The fraction of total pressure exerted by oxygen is ?

sixteen / seventeen

two / three

one / seventeen

one/three

8 / 25

A method of separation of components from its solution using Distribution law is:

Distillation

Crystallisation

Solvent extraction

Sublimation

9 / 25

Water absorber used in combustion analysis is.................?

Mg (004)2

CaC12

50% KOH

Lime water

10 / 25

The compound which is added to leaded gasoline to save engine from lead oxide and lead sulphate deposits is......?

Ethylene chloride

Ethylene bromide

Ethylene iodide

Ethylene fluoride

11 / 25

Which of the following set has all species isoelectronic............?

Li+1 -Na+1 - K+l

F - Cl - Br

F - Ne - Na+

H+ - H- - H

12 / 25

The unit of molality is:

moles kg-1

moles dm-3

none

gram dm-3

13 / 25

Which of the following elements react with steam to produce H2 gas?

All of the above

14 / 25

The type of filtering media used for filtration depending upon.............?

Nature of product

Nature of reactants

Nature of crucible

Nature of precipitate

15 / 25

Acid present in acid rain may be?

none of the above

HN03

H2S04

both A and B

16 / 25

Which specie has unpaired electrons in antibonding molecular orbitals?

02-2

02+2

N2-2

17 / 25

The molecules of C02 in dry ice form............?

Covalent crystal

Ionic crystal

Molecular crystal B. Any type of crystal

Molecular crystal

18 / 25

Solubility of CaF2 is 2.0x10-4 gdm-3 then Ksp of CaF2 is:

3.2 x 10-11

4.0 x 10-8

4.0 x 10-12

2.0 x 10-8

19 / 25

Which of the following points are important in connection with equilibrium constant?

Kc indicates the extent of reaction but not about the rate of reaction

All of the above

Kc is constant at given temperature

Kc is unaffected by change in concentration of reactants or products

20 / 25

What is maximum number of electrons in an orbital with m (magnetic quantum number) = 3

21 / 25

Which catalyst is used in contact process ?

Fe203

V205

S03

Ag20

22 / 25

Isotopes differs in............?

chemical properties

properties depend upon mass

position in the periodic table

arrangement of electrons in orbitals

23 / 25

Which of the following molecule is polar?

CCI4

BF3

none of the above

C02

24 / 25

The unit of the rate constant (k) is same as that of rate of reaction:

Zero order reaction

First order reaction

Second order reaction

Third order reaction

25 / 25

The volume occupied by 1.4g CO at S.T.P is...............?

22.4 dm3

1.12 cm3

2.24 dm3

1.12 dm3

Your score is

The average score is 52%

1 thought on “PPSC Lecturer Chemistry Test 20 Online Preparation MCQs”

Muhammad Rizwan
June 7, 2021 at 7:53 pm

Make correction in answers of question no.
20 & 23
The right expression is given below
20. Mg(ClO4)2
23. F- ,Ne,Na+

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