BPSC 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 state of Carbon is:

Solid

Plasma

Gass

Liquid

2 / 25

An Atom Consists of:

Nucleus, Proton and Neutron

Nucleus, Proton, Neutron and Electron

Nucleus, Proton and eclectron

Nucleus and Proton

3 / 25

Carbon is discovered in:

3750 BC

1772

3650 BC

3550 BC

4 / 25

What is the purpose of plasticizers?

Soften plastics

Cross-link polymer chains

Initiate polymerizations

Harden plastics

5 / 25

The atomic mass of carbon is:

13.0107

12.0107

14.0107

1.0107

6 / 25

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

James Chadwick

Eugene Goldstien

john Dalton

Sir Earnest Rutherford

7 / 25

Who record the first evidence of existence of an Atom:

Eugene Goldstein

Joseph John Thomson

Rutherford

John Dalton

8 / 25

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

form bonds in its ground state

bond with other carbon atoms

form double and triple bonds

exist in plant and animal form

9 / 25

In stable organic compounds, carbon will always form:

4 bonds

2 bonds

3 bonds

5 bonds

10 / 25

Polymers which soften on heating and harden when cooled are:

Copolymers

Cross-linked polymers

Thermosetting polymers

Thermoplastics

11 / 25

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

Sulfur

Formaldehye

Benzoyl peroxide.

Ethylene glycol.

12 / 25

n an atom numbers of protons are equal to:

Both a and b

Neither a nor b

Numbers of Electrons

Numbers of Neutrons

13 / 25

Electrons have always:

sometimes positive and sometimes negative

Positive Charge

No charge

Negative Charge

14 / 25

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

20000

10000

40000

30000

15 / 25

Most atoms are neutral because:

Number of electrons are equals to number of neutrons

Number of electrons are equals to number of Protons

None of the Above

Number of protons are equals to number of neutrons

16 / 25

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

Negative charge

Positive Charge

None of the Above

Become nuteral

17 / 25

The electro-negativity of carbon is:

3.44

3.04

2.65

2.55

18 / 25

Nucleus have:

Electrons

Electrons and Protons

Neutrons

Neutrons and Protons

19 / 25

One of the major sources of organic compounds is:

Sea water

Fermentation

Atmosphere

Natural gas

20 / 25

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

Only II

Only I

Both II and III

Only III

21 / 25

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

If water soluble they seldom conduct an electric current

They usually have low melting points.

Bonds which bind the atoms together are nearly always ionic

They usually are only slightly soluble or insoluble in water

22 / 25

Which one of the following is used to make Teflon?

Fluoroethene

1,1,4,4-tetrafluorobutadiene

Tetrafluoroethylene

1,2-difluoroethene

23 / 25

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

sulfur

nitrogen

oxygen

silicon

24 / 25

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

Become neutral

None of the Above

Negative charge

Positive Charge

25 / 25

The electronic configuration of carbon is:

2s2

2s22p3

2s22p4

2s22p2

Your score is

The average score is 60%

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