FPSC 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.
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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 one of the following is used to make Teflon?

1,2-difluoroethene

Fluoroethene

1,1,4,4-tetrafluorobutadiene

Tetrafluoroethylene

2 / 25

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

Eugene Goldstien

James Chadwick

john Dalton

Sir Earnest Rutherford

3 / 25

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

Benzoyl peroxide.

Ethylene glycol.

Formaldehye

Sulfur

4 / 25

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

Become neutral

Negative charge

None of the Above

Positive Charge

5 / 25

The electronic configuration of carbon is:

2s22p2

2s22p4

2s2

2s22p3

6 / 25

The atomic mass of carbon is:

13.0107

14.0107

12.0107

1.0107

7 / 25

n an atom numbers of protons are equal to:

Numbers of Electrons

Numbers of Neutrons

Neither a nor b

Both a and b

8 / 25

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

exist in plant and animal form

bond with other carbon atoms

form double and triple bonds

form bonds in its ground state

9 / 25

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

10000

20000

40000

30000

10 / 25

Who record the first evidence of existence of an Atom:

Joseph John Thomson

Eugene Goldstein

John Dalton

Rutherford

11 / 25

Nucleus have:

Neutrons

Neutrons and Protons

Electrons and Protons

Electrons

12 / 25

In stable organic compounds, carbon will always form:

2 bonds

3 bonds

5 bonds

4 bonds

13 / 25

The electro-negativity of carbon is:

2.55

2.65

3.04

3.44

14 / 25

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

If water soluble they seldom conduct an electric current

Bonds which bind the atoms together are nearly always ionic

They usually are only slightly soluble or insoluble in water

They usually have low melting points.

15 / 25

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

Only II

Both II and III

Only I

Only III

16 / 25

An Atom Consists of:

Nucleus and Proton

Nucleus, Proton and eclectron

Nucleus, Proton and Neutron

Nucleus, Proton, Neutron and Electron

17 / 25

The state of Carbon is:

Plasma

Liquid

Solid

Gass

18 / 25

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

sulfur

oxygen

silicon

nitrogen

19 / 25

Most atoms are neutral because:

None of the Above

Number of electrons are equals to number of neutrons

Number of protons are equals to number of neutrons

Number of electrons are equals to number of Protons

20 / 25

One of the major sources of organic compounds is:

Fermentation

Natural gas

Sea water

Atmosphere

21 / 25

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

Positive Charge

Negative charge

Become nuteral

None of the Above

22 / 25

Electrons have always:

Positive Charge

Negative Charge

sometimes positive and sometimes negative

No charge

23 / 25

What is the purpose of plasticizers?

Harden plastics

Soften plastics

Cross-link polymer chains

Initiate polymerizations

24 / 25

Carbon is discovered in:

3650 BC

3750 BC

3550 BC

1772

25 / 25

Polymers which soften on heating and harden when cooled are:

Thermosetting polymers

Cross-linked polymers

Copolymers

Thermoplastics

Your score is

The average score is 60%

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