PPSC Lecturer Chemistry Test 14 Online Preparation MCQs

Leave a Comment / By Hassan / September 22, 2020

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 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.

Please Click Below START Button to Take this Lecturer Chemistry Test Online.

Test Instructions:-
Test Name	Lecturer Chemistry
Subject	Chemistry Test 14
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 14

1 / 25

Which one is true about isotope ?

Same number of neutrons

Same physical properties

Same mass number

Same chemical properties

2 / 25

Which of the following ion formation is always exothermic?

Di-positive

Di-negative

Uni-positive

Uni-negative

3 / 25

Which of the following statements is wrong about isotopes?

they possess different mass number

they possess different position in the periodic table

they possess different physical properties

they possess same chemical properties

4 / 25

Qualitative analysis is carried out for?

estimation of amounts of elements

molar ration of elements

identification of elements

molar volume of elements

5 / 25

a.m.u = ....................................?

1.6 x 10-24 kg

1.6 x 10-28 kg

1.6 x 10-26 kg

1.6 x 10-27 kg

6 / 25

Which of the following is not a macromolecule?

maltose

aemoglobin

diamond

sand

7 / 25

When cationic molecular ions are allowed to pass through strong magnetic field in mass spectrometer which of the following ions is fallen.................. ?

intermediate

are collected at same time

heavier

lighter

8 / 25

Avogadros number may represent.................?

volume of particles

mass of particles

All of the above

number of particles

9 / 25

The mass of decimole of electrons (NA) is ?

0.054 mg

0.184 mg

1.008 mg

5.4 mg

10 / 25

The properties of an element mostly corresponds to that isotope which has greater..............?

Relative abundance

Atomic mass

all of the above

Mass number

11 / 25

The number of moles of C02 which contains 16 g of oxygen is:

0.5

0.75

0.25

12 / 25

Which one of the following is not the mono isotopic element ?

iodine

uranium

arsenic

nickel

13 / 25

Which of the following terms is used for the mass of chlorine 35.5 ?

atomic weight

relative isotopic mass

mass number

relative atomic mass

14 / 25

Isotopes of the same elements has?

different number of neutrons

same number of neutrons

same mass number (nucleon number)

different number of protons

15 / 25

The sample of isotopes of an element which needs not to be vaporized in the vaporization chamer..................?

Volatile solid

Gas

Liquid

All

16 / 25

Which of the following are isoelectronic species:

F- Ne Na+

Li+ Na+K+

H+ H H-

Cl-Br-I

17 / 25

Which of the following methods is used to estimate hydrogen in an organic compound?

Dumas method

All of the above methods are for different purposes

Kjeldahls method

Combustion method

18 / 25

How many isotopes have odd atomic number ?

154

300

280

19 / 25

When 0.5 mole of phosphoric acid is dissolved in aqueous solution how many moles of -ve and +ve ions are collected altogether?

1.5

0.5

20 / 25

Size of molecule depends upon...........................?

Shape of molecule

Atomicity

Both A and B

Difficult to predict

21 / 25

For which of the following compounds the term empirical formula cannot be applied ?

NaCl

It can be applied to all mentioned above

CCI4

H20

22 / 25

Percentage of calcium in calcium carbonate is................?

40%

30%

20%

80%

23 / 25

Combustion analysis is performed to determine..........................?

Molecular formula

Formula mass

Molecular mass

Empirical formula

24 / 25

The nucleus of an atom of every element will always contain................?

protons

protons and electrons

neutrons

protons and neutrons

25 / 25

Isotopes differ in....................... ?

arrangement of electrons in orbitals

all of the above

properties which depend upon mass

chemical properties

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PPSC Lecturer Chemistry Test 14 Online Preparation MCQs

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