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

sulfur

silicon

oxygen

nitrogen

2 / 25

Most atoms are neutral because:

Number of electrons are equals to number of Protons

Number of electrons are equals to number of neutrons

None of the Above

Number of protons are equals to number of neutrons

3 / 25

n an atom numbers of protons are equal to:

Neither a nor b

Numbers of Electrons

Both a and b

Numbers of Neutrons

4 / 25

In stable organic compounds, carbon will always form:

2 bonds

3 bonds

5 bonds

4 bonds

5 / 25

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

john Dalton

Eugene Goldstien

Sir Earnest Rutherford

James Chadwick

6 / 25

Carbon is discovered in:

3750 BC

1772

3550 BC

3650 BC

7 / 25

The state of Carbon is:

Solid

Gass

Plasma

Liquid

8 / 25

Nucleus have:

Neutrons and Protons

Neutrons

Electrons

Electrons and Protons

9 / 25

Electrons have always:

No charge

sometimes positive and sometimes negative

Negative Charge

Positive Charge

10 / 25

Which one of the following is used to make Teflon?

1,1,4,4-tetrafluorobutadiene

1,2-difluoroethene

Fluoroethene

Tetrafluoroethylene

11 / 25

The electro-negativity of carbon is:

3.44

2.55

3.04

2.65

12 / 25

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

Only II

Only III

Both II and III

Only I

13 / 25

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

Negative charge

None of the Above

Become nuteral

Positive Charge

14 / 25

The electronic configuration of carbon is:

2s22p3

2s22p4

2s22p2

2s2

15 / 25

An Atom Consists of:

Nucleus, Proton, Neutron and Electron

Nucleus, Proton and eclectron

Nucleus, Proton and Neutron

Nucleus and Proton

16 / 25

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

They usually are only slightly soluble or insoluble in water

They usually have low melting points.

Bonds which bind the atoms together are nearly always ionic

If water soluble they seldom conduct an electric current

17 / 25

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

10000

40000

30000

20000

18 / 25

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

Become neutral

Negative charge

None of the Above

Positive Charge

19 / 25

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

exist in plant and animal form

form double and triple bonds

bond with other carbon atoms

form bonds in its ground state

20 / 25

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

Benzoyl peroxide.

Sulfur

Ethylene glycol.

Formaldehye

21 / 25

The atomic mass of carbon is:

1.0107

13.0107

12.0107

14.0107

22 / 25

Who record the first evidence of existence of an Atom:

John Dalton

Joseph John Thomson

Rutherford

Eugene Goldstein

23 / 25

What is the purpose of plasticizers?

Initiate polymerizations

Cross-link polymer chains

Harden plastics

Soften plastics

24 / 25

Polymers which soften on heating and harden when cooled are:

Cross-linked polymers

Copolymers

Thermoplastics

Thermosetting polymers

25 / 25

One of the major sources of organic compounds is:

Atmosphere

Sea water

Natural gas

Fermentation

Your score is

The average score is 62%

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