PPPSC lecturer 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.
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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

The electro-negativity of carbon is:

2.55

3.44

2.65

3.04

2 / 25

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

Both II and III

Only III

Only II

Only I

3 / 25

Most atoms are neutral because:

Number of electrons are equals to number of Protons

Number of electrons are equals to number of neutrons

Number of protons are equals to number of neutrons

None of the Above

4 / 25

One of the major sources of organic compounds is:

Fermentation

Atmosphere

Sea water

Natural gas

5 / 25

Polymers which soften on heating and harden when cooled are:

Thermosetting polymers

Cross-linked polymers

Copolymers

Thermoplastics

6 / 25

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

form double and triple bonds

exist in plant and animal form

form bonds in its ground state

bond with other carbon atoms

7 / 25

An Atom Consists of:

Nucleus, Proton and Neutron

Nucleus and Proton

Nucleus, Proton, Neutron and Electron

Nucleus, Proton and eclectron

8 / 25

Electrons have always:

sometimes positive and sometimes negative

No charge

Positive Charge

Negative Charge

9 / 25

Carbon is discovered in:

3550 BC

3650 BC

1772

3750 BC

10 / 25

The atomic mass of carbon is:

1.0107

12.0107

13.0107

14.0107

11 / 25

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

Negative charge

Positive Charge

None of the Above

Become nuteral

12 / 25

The state of Carbon is:

Solid

Gass

Plasma

Liquid

13 / 25

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

nitrogen

silicon

oxygen

sulfur

14 / 25

Who record the first evidence of existence of an Atom:

John Dalton

Joseph John Thomson

Rutherford

Eugene Goldstein

15 / 25

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

They usually are only slightly soluble or insoluble in water

If water soluble they seldom conduct an electric current

They usually have low melting points.

Bonds which bind the atoms together are nearly always ionic

16 / 25

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

10000

20000

40000

30000

17 / 25

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

James Chadwick

Eugene Goldstien

Sir Earnest Rutherford

john Dalton

18 / 25

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

Become neutral

None of the Above

Negative charge

Positive Charge

19 / 25

n an atom numbers of protons are equal to:

Both a and b

Numbers of Neutrons

Numbers of Electrons

Neither a nor b

20 / 25

Nucleus have:

Neutrons

Electrons

Electrons and Protons

Neutrons and Protons

21 / 25

Which one of the following is used to make Teflon?

1,2-difluoroethene

1,1,4,4-tetrafluorobutadiene

Tetrafluoroethylene

Fluoroethene

22 / 25

What is the purpose of plasticizers?

Soften plastics

Initiate polymerizations

Harden plastics

Cross-link polymer chains

23 / 25

In stable organic compounds, carbon will always form:

2 bonds

5 bonds

4 bonds

3 bonds

24 / 25

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

Ethylene glycol.

Formaldehye

Benzoyl peroxide.

Sulfur

25 / 25

The electronic configuration of carbon is:

2s22p3

2s22p2

2s22p4

2s2

Your score is

The average score is 60%

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