ppsc Chemistry lecturer test preparation

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.

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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

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

They usually are only slightly soluble or insoluble in water

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

2 / 25

Most atoms are neutral because:

Number of protons are equals to number of neutrons

Number of electrons are equals to number of Protons

Number of electrons are equals to number of neutrons

None of the Above

3 / 25

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

None of the Above

Positive Charge

Negative charge

Become nuteral

4 / 25

The electronic configuration of carbon is:

2s22p4

2s2

2s22p3

2s22p2

5 / 25

Electrons have always:

Positive Charge

No charge

Negative Charge

sometimes positive and sometimes negative

6 / 25

Who record the first evidence of existence of an Atom:

Joseph John Thomson

Rutherford

John Dalton

Eugene Goldstein

7 / 25

Nucleus have:

Neutrons

Electrons and Protons

Electrons

Neutrons and Protons

8 / 25

Carbon is discovered in:

3750 BC

3550 BC

1772

3650 BC

9 / 25

Polymers which soften on heating and harden when cooled are:

Thermoplastics

Copolymers

Thermosetting polymers

Cross-linked polymers

10 / 25

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

Negative charge

None of the Above

Positive Charge

Become neutral

11 / 25

The state of Carbon is:

Plasma

Liquid

Solid

Gass

12 / 25

n an atom numbers of protons are equal to:

Numbers of Electrons

Numbers of Neutrons

Both a and b

Neither a nor b

13 / 25

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

Benzoyl peroxide.

Sulfur

Formaldehye

Ethylene glycol.

14 / 25

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

silicon

nitrogen

oxygen

sulfur

15 / 25

In stable organic compounds, carbon will always form:

5 bonds

4 bonds

2 bonds

3 bonds

16 / 25

The electro-negativity of carbon is:

2.65

3.44

3.04

2.55

17 / 25

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

10000

20000

40000

30000

18 / 25

An Atom Consists of:

Nucleus, Proton and eclectron

Nucleus and Proton

Nucleus, Proton and Neutron

Nucleus, Proton, Neutron and Electron

19 / 25

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

exist in plant and animal form

form bonds in its ground state

form double and triple bonds

bond with other carbon atoms

20 / 25

Which one of the following is used to make Teflon?

Tetrafluoroethylene

Fluoroethene

1,2-difluoroethene

1,1,4,4-tetrafluorobutadiene

21 / 25

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

Eugene Goldstien

john Dalton

Sir Earnest Rutherford

James Chadwick

22 / 25

One of the major sources of organic compounds is:

Atmosphere

Sea water

Fermentation

Natural gas

23 / 25

What is the purpose of plasticizers?

Cross-link polymer chains

Soften plastics

Harden plastics

Initiate polymerizations

24 / 25

The atomic mass of carbon is:

12.0107

1.0107

13.0107

14.0107

25 / 25

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

Only III

Only I

Both II and III

Only II

Your score is

The average score is 58%

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