PPSC Lecturer Chemistry Test 20 Online Preparation MCQs

1 Comment / By Hassan / 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

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

Mg (004)2

CaC12

Lime water

50% KOH

2 / 25

Which catalyst is used in contact process ?

V205

Fe203

S03

Ag20

3 / 25

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

4 / 25

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

Nature of crucible

Nature of reactants

Nature of precipitate

Nature of product

5 / 25

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

Atoms of helium in gaseous state at high temperature

Molecules of solid iodine

Molecules of water in liquid state

Molecules of hydrogen chloride gas

6 / 25

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

All of the above

7 / 25

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

8 / 25

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

22.4 dm3

2.24 dm3

1.12 dm3

1.12 cm3

9 / 25

Which of the following molecule is polar?

BF3

none of the above

C02

CCI4

10 / 25

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

All of the above

Kc is unaffected by change in concentration of reactants or products

Kc is constant at given temperature

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

11 / 25

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

properties depend upon mass

position in the periodic table

arrangement of electrons in orbitals

chemical properties

12 / 25

The unit of molality is:

gram dm-3

moles dm-3

none

moles kg-1

13 / 25

Quantum number values for 3p orbitals:

n=31=2

n=31=1

n=3 1=0

n=3 1=3

14 / 25

A solution can be both:

saturated and unsaturated

dilute and saturated

saturated and super saturated

dilute and concentrated

15 / 25

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

Carbon

Sulphur

Sodium

Aluminium

16 / 25

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

F - Cl - Br

Li+1 -Na+1 - K+l

H+ - H- - H

F - Ne - Na+

17 / 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

18 / 25

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

4.0 x 10-12

3.2 x 10-11

2.0 x 10-8

4.0 x 10-8

19 / 25

Acid present in acid rain may be?

none of the above

HN03

H2S04

both A and B

20 / 25

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

Third order reaction

Zero order reaction

Second order reaction

First order reaction

21 / 25

Which specie has unpaired electrons in antibonding molecular orbitals?

N2-2

02+2

02-2

22 / 25

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

two / three

sixteen / seventeen

one / seventeen

one/three

23 / 25

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

Covalent crystal

Molecular crystal

Molecular crystal B. Any type of crystal

Ionic crystal

24 / 25

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

Ethylene chloride

Ethylene fluoride

Ethylene iodide

Ethylene bromide

25 / 25

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

Distillation

Solvent extraction

Sublimation

Crystallisation

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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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