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PPSC Lecturer Chemistry Test 16 Online Preparation MCQs

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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.

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There will be 25 multiple choice question in the test.
Answer of the questions will change randomly each time you start this test.
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Test Instructions:-
Test Name	Lecturer Chemistry
Subject	Chemistry Test 16
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 16

1 / 25

Which of the following element does not show allotropy:

Sulphur

Carbon

Nitrogen

Arsenic

2 / 25

Metallic crystals are soluble in:

Non polar solvent

None

Polar solvent

Fused metal

3 / 25

The use of antifreeze in the automobile radiator is an important application of:

colligative property

additive property

intrinsic property

constitutive property

4 / 25

Which of the following is not characteristics of reversible reaction:

Rate of forward reaction decreases as reaction proceeds

A catalyst changes the direction of reaction

Chemical equilibrium is established

Whole amount of reactant does not change into product

5 / 25

In which of the following type of reactions energy of reactant is greater than energy of product:

exothermic

unpredictable

same

endothermic

6 / 25

Which of the following solids show anisotropy...............?

Glass

None of the above

Plastic

Rubber

7 / 25

Which of the following properties prove that cathode rays are material in nature:

they cast shadow

they are negatively charged

all of the above

they possess momentum

8 / 25

1 mole of electron has mass in microgram ?

1.84 x 10-4

5.5 x 10-4

1.008 x 10-3

1.673 x 10-3

9 / 25

The hardest of the following solids is:

graphite

sodium

diamond

magnesium

10 / 25

When methl iodide and ethyl iodide are treated with sodium metal possible major products are obtained?

11 / 25

At which electrode the reduction of the solution is occurring in Al-Ag cell:

Both

None of above

12 / 25

The balanced chemical equation for the reaction which occurs when Be is added to water is:

Be+2H20?Be (OH)2+H2

Be+H20?[Be (OH)4]+2+H2

Be+H20?Be (OH)2+H2

No reaction

13 / 25

Benzene is a good solvent for:

resins

fats

all the above

iodine

14 / 25

In solids the temperature is the measure of:

Vibrational kinetic energy

None of the above

Translational kinetic energy

Average kinetic energy of molecules

15 / 25

Which of the following is mineral fiber?

Teflon

acrylic

asbestos

saran

16 / 25

On heating aldehydes with Fehlings solution we get a precipitate whose colour is:

pink

black

yellow

brick red

17 / 25

Paramagnetic behavior of substance is measured by a balance called:

Analytical balance

Electrical balance

Guoys balance

Single beam balance

18 / 25

Which of the following is the formula of chrome red?

PbCr 04-Pb (OH)2

Pb20

2Pb C03 -Pb (OH)2

Pb3 04

19 / 25

A solution has pH = 0 its H+ ion concentration is:

1x 10-7

1x10-14

1x 10-1

20 / 25

Regular coiling or zigzagging of polypeptide through hydrogen bonding is its?

Tertiary structure

Quantum structure

Secondary structure

Primary structure

21 / 25

Which of the following theories is superior to others:

None of the above

VSEPR

MOT

VBT

22 / 25

When aquious bromine is added to aqueous phenol a creamy white ppt is obtained. What does this reaction show ?

acid-base reaction

phenol is unsaturated

2-bromophenol is insoluble in water

a hydroxy group makes the benzene ring more susceptible to electrophilic attack

23 / 25

Which of following metals can be displaced by all other metals from its solution?

24 / 25

When an electron is moving with velocity of 2.188 x 106 ms-1 in the first orbit of Bohrs model of hydrogen. The de Broglie wavelength of electron is:

0.34 nm

0.35 nm

0.33 nm

0.36 nm

25 / 25

Butyl chloride gives possible isomers?

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