Lecturer Chemistry Syllabus

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.
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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

Nucleus have:

Electrons

Electrons and Protons

Neutrons

Neutrons and Protons

2 / 25

Polymers which soften on heating and harden when cooled are:

Copolymers

Thermosetting polymers

Cross-linked polymers

Thermoplastics

3 / 25

What is the purpose of plasticizers?

Cross-link polymer chains

Soften plastics

Initiate polymerizations

Harden plastics

4 / 25

An Atom Consists of:

Nucleus and Proton

Nucleus, Proton, Neutron and Electron

Nucleus, Proton and Neutron

Nucleus, Proton and eclectron

5 / 25

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

None of the Above

Become neutral

Positive Charge

Negative charge

6 / 25

The atomic mass of carbon is:

13.0107

12.0107

1.0107

14.0107

7 / 25

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

Both II and III

Only I

Only II

Only III

8 / 25

Carbon is discovered in:

3650 BC

3550 BC

1772

3750 BC

9 / 25

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

Benzoyl peroxide.

Formaldehye

Sulfur

Ethylene glycol.

10 / 25

Which one of the following is used to make Teflon?

1,1,4,4-tetrafluorobutadiene

Fluoroethene

Tetrafluoroethylene

1,2-difluoroethene

11 / 25

The state of Carbon is:

Gass

Solid

Liquid

Plasma

12 / 25

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

oxygen

sulfur

nitrogen

silicon

13 / 25

In stable organic compounds, carbon will always form:

3 bonds

2 bonds

5 bonds

4 bonds

14 / 25

The electro-negativity of carbon is:

2.55

3.04

3.44

2.65

15 / 25

Electrons have always:

Positive Charge

No charge

Negative Charge

sometimes positive and sometimes negative

16 / 25

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

10000

30000

20000

40000

17 / 25

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

bond with other carbon atoms

form bonds in its ground state

form double and triple bonds

exist in plant and animal form

18 / 25

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

None of the Above

Positive Charge

Negative charge

Become nuteral

19 / 25

The electronic configuration of carbon is:

2s22p4

2s22p2

2s2

2s22p3

20 / 25

Most atoms are neutral because:

None of the Above

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

21 / 25

One of the major sources of organic compounds is:

Atmosphere

Fermentation

Sea water

Natural gas

22 / 25

n an atom numbers of protons are equal to:

Neither a nor b

Both a and b

Numbers of Electrons

Numbers of Neutrons

23 / 25

Who record the first evidence of existence of an Atom:

Rutherford

Joseph John Thomson

John Dalton

Eugene Goldstein

24 / 25

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

Sir Earnest Rutherford

john Dalton

James Chadwick

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.

They usually are only slightly soluble or insoluble in water

If water soluble they seldom conduct an electric current

Your score is

The average score is 62%

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