KKPSC 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 electronic configuration of carbon is:

2s22p4

2s2

2s22p3

2s22p2

2 / 25

The electro-negativity of carbon is:

3.04

3.44

2.55

2.65

3 / 25

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

Negative charge

Positive Charge

None of the Above

Become nuteral

4 / 25

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

Formaldehye

Benzoyl peroxide.

Ethylene glycol.

Sulfur

5 / 25

Nucleus have:

Neutrons

Neutrons and Protons

Electrons and Protons

Electrons

6 / 25

Most atoms are neutral because:

Number of electrons are equals to number of neutrons

None of the Above

Number of electrons are equals to number of Protons

Number of protons are equals to number of neutrons

7 / 25

Carbon is discovered in:

3750 BC

1772

3650 BC

3550 BC

8 / 25

Which one of the following is used to make Teflon?

1,1,4,4-tetrafluorobutadiene

Fluoroethene

1,2-difluoroethene

Tetrafluoroethylene

9 / 25

The state of Carbon is:

Gass

Solid

Plasma

Liquid

10 / 25

In stable organic compounds, carbon will always form:

5 bonds

2 bonds

3 bonds

4 bonds

11 / 25

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

30000

40000

20000

10000

12 / 25

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

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

They usually are only slightly soluble or insoluble in water

13 / 25

Electrons have always:

Negative Charge

No charge

sometimes positive and sometimes negative

Positive Charge

14 / 25

One of the major sources of organic compounds is:

Natural gas

Atmosphere

Fermentation

Sea water

15 / 25

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

Positive Charge

Become neutral

Negative charge

None of the Above

16 / 25

An Atom Consists of:

Nucleus, Proton, Neutron and Electron

Nucleus and Proton

Nucleus, Proton and eclectron

Nucleus, Proton and Neutron

17 / 25

What is the purpose of plasticizers?

Cross-link polymer chains

Harden plastics

Soften plastics

Initiate polymerizations

18 / 25

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

form bonds in its ground state

exist in plant and animal form

bond with other carbon atoms

form double and triple bonds

19 / 25

Polymers which soften on heating and harden when cooled are:

Cross-linked polymers

Thermoplastics

Thermosetting polymers

Copolymers

20 / 25

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

Sir Earnest Rutherford

Eugene Goldstien

James Chadwick

john Dalton

21 / 25

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

Only III

Only II

Both II and III

Only I

22 / 25

n an atom numbers of protons are equal to:

Numbers of Electrons

Neither a nor b

Numbers of Neutrons

Both a and b

23 / 25

Who record the first evidence of existence of an Atom:

Rutherford

Eugene Goldstein

John Dalton

Joseph John Thomson

24 / 25

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

nitrogen

sulfur

silicon

oxygen

25 / 25

The atomic mass of carbon is:

14.0107

1.0107

13.0107

12.0107

Your score is

The average score is 64%

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