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

Who record the first evidence of existence of an Atom:

Joseph John Thomson

Rutherford

John Dalton

Eugene Goldstein

2 / 25

The electro-negativity of carbon is:

2.55

2.65

3.04

3.44

3 / 25

The state of Carbon is:

Liquid

Solid

Gass

Plasma

4 / 25

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

None of the Above

Become neutral

Negative charge

Positive Charge

5 / 25

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

Eugene Goldstien

Sir Earnest Rutherford

James Chadwick

john Dalton

6 / 25

Electrons have always:

sometimes positive and sometimes negative

Negative Charge

Positive Charge

No charge

7 / 25

n an atom numbers of protons are equal to:

Numbers of Neutrons

Numbers of Electrons

Both a and b

Neither a nor b

8 / 25

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

Formaldehye

Benzoyl peroxide.

Sulfur

Ethylene glycol.

9 / 25

The atomic mass of carbon is:

14.0107

1.0107

12.0107

13.0107

10 / 25

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

Bonds which bind the atoms together are nearly always ionic

If water soluble they seldom conduct an electric current

They usually are only slightly soluble or insoluble in water

They usually have low melting points.

11 / 25

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

Both II and III

Only III

Only I

Only II

12 / 25

In stable organic compounds, carbon will always form:

2 bonds

5 bonds

4 bonds

3 bonds

13 / 25

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

sulfur

oxygen

silicon

nitrogen

14 / 25

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

10000

20000

30000

40000

15 / 25

Nucleus have:

Neutrons and Protons

Neutrons

Electrons

Electrons and Protons

16 / 25

The electronic configuration of carbon is:

2s2

2s22p3

2s22p2

2s22p4

17 / 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 bonds in its ground state

form double and triple bonds

18 / 25

Carbon is discovered in:

1772

3750 BC

3550 BC

3650 BC

19 / 25

One of the major sources of organic compounds is:

Natural gas

Atmosphere

Fermentation

Sea water

20 / 25

Polymers which soften on heating and harden when cooled are:

Thermoplastics

Cross-linked polymers

Thermosetting polymers

Copolymers

21 / 25

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

Negative charge

Positive Charge

None of the Above

Become nuteral

22 / 25

Most atoms are neutral because:

Number of protons are equals to number of neutrons

Number of electrons are equals to number of Protons

None of the Above

Number of electrons are equals to number of neutrons

23 / 25

Which one of the following is used to make Teflon?

Tetrafluoroethylene

Fluoroethene

1,2-difluoroethene

1,1,4,4-tetrafluorobutadiene

24 / 25

What is the purpose of plasticizers?

Initiate polymerizations

Cross-link polymer chains

Soften plastics

Harden plastics

25 / 25

An Atom Consists of:

Nucleus, Proton and Neutron

Nucleus and Proton

Nucleus, Proton, Neutron and Electron

Nucleus, Proton and eclectron

Your score is

The average score is 62%

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