ppsc chemistry MCQs

PPSC FPSC KPPSC BPSC SPSC Lecturer Chemistry Online Test No.2

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, FPSC, KKPSC, SPSC, BPSC, AJ&KPSC, NTS 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 2
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 Practice Test 2

1 / 25

n an atom numbers of protons are equal to:

Numbers of Neutrons

Both a and b

Numbers of Electrons

Neither a nor b

2 / 25

What is the purpose of plasticizers?

Harden plastics

Cross-link polymer chains

Initiate polymerizations

Soften plastics

3 / 25

An Atom Consists of:

Nucleus, Proton, Neutron and Electron

Nucleus and Proton

Nucleus, Proton and eclectron

Nucleus, Proton and Neutron

4 / 25

Most atoms are neutral because:

Number of electrons are equals to number of neutrons

Number of electrons are equals to number of Protons

Number of protons are equals to number of neutrons

None of the Above

5 / 25

Carbon is discovered in:

3750 BC

3550 BC

3650 BC

1772

6 / 25

Vulcanization is the process of cross-linking polymer chains in rubber using:

Ethylene glycol.

Formaldehye

Benzoyl peroxide.

Sulfur

7 / 25

One of the major sources of organic compounds is:

Fermentation

Natural gas

Sea water

Atmosphere

8 / 25

Which of the following are condensation polymers?
I. Polypropylene
II. Teflon
III. Nylon

Only I

Only II

Only III

Both II and III

9 / 25

The state of Carbon is:

Solid

Gass

Liquid

Plasma

10 / 25

Catenation is a property of the carbon atom which describes its ability to:

bond with other carbon atoms

exist in plant and animal form

form bonds in its ground state

form double and triple bonds

11 / 25

Nucleus have:

Neutrons and Protons

Electrons

Electrons and Protons

Neutrons

12 / 25

Which one of the following is used to make Teflon?

1,1,4,4-tetrafluorobutadiene

Tetrafluoroethylene

1,2-difluoroethene

Fluoroethene

13 / 25

Atom is.................................times bigger than nucleus:

20000

30000

40000

10000

14 / 25

The atomic mass of carbon is:

12.0107

14.0107

1.0107

13.0107

15 / 25

The element least likely to be found in an organic compound is:

oxygen

sulfur

nitrogen

silicon

16 / 25

The electronic configuration of carbon is:

2s22p3

2s2

2s22p4

2s22p2

17 / 25

When electrons are removed, An ion gains .....................

Become neutral

Positive Charge

Negative charge

None of the Above

18 / 25

Electrons have always:

No charge

Positive Charge

sometimes positive and sometimes negative

Negative Charge

19 / 25

When electrons are added, An ion gains .............

None of the Above

Become nuteral

Positive Charge

Negative charge

20 / 25

The electro-negativity of carbon is:

2.65

2.55

3.04

3.44

21 / 25

Who record the first evidence of existence of an Atom:

Joseph John Thomson

Eugene Goldstein

John Dalton

Rutherford

22 / 25

Polymers which soften on heating and harden when cooled are:

Thermosetting polymers

Copolymers

Thermoplastics

Cross-linked polymers

23 / 25

In stable organic compounds, carbon will always form:

3 bonds

5 bonds

4 bonds

2 bonds

24 / 25

Which scientist explored that nucleus is very small and have positive charge:

James Chadwick

john Dalton

Sir Earnest Rutherford

Eugene Goldstien

25 / 25

Which of the following is not a characteristic of organic compounds?

Bonds which bind the atoms together are nearly always ionic

They usually have low melting points.

If water soluble they seldom conduct an electric current

They usually are only slightly soluble or insoluble in water

Your score is

The average score is 0%

PPSC FPSC KPPSC BPSC SPSC Lecturer Chemistry Online Test No.2 Read More »