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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 properties prove that cathode rays are material in nature:

they possess momentum

all of the above

they cast shadow

they are negatively charged

2 / 25

Benzene is a good solvent for:

iodine

resins

fats

all the above

3 / 25

The hardest of the following solids is:

magnesium

diamond

graphite

sodium

4 / 25

Metallic crystals are soluble in:

Non polar solvent

Polar solvent

None

Fused metal

5 / 25

Which of the following is not characteristics of reversible reaction:

A catalyst changes the direction of reaction

Chemical equilibrium is established

Whole amount of reactant does not change into product

Rate of forward reaction decreases as reaction proceeds

6 / 25

Which of the following is the formula of chrome red?

2Pb C03 -Pb (OH)2

Pb3 04

Pb20

PbCr 04-Pb (OH)2

7 / 25

Which of the following is mineral fiber?

saran

asbestos

acrylic

Teflon

8 / 25

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

phenol is unsaturated

acid-base reaction

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

2-bromophenol is insoluble in water

9 / 25

1 mole of electron has mass in microgram ?

1.84 x 10-4

1.673 x 10-3

5.5 x 10-4

1.008 x 10-3

10 / 25

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

1x 10-7

1x10-14

1x 10-1

11 / 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:

0.36 nm

0.35 nm

0.33 nm

0.34 nm

12 / 25

Which of the following theories is superior to others:

VSEPR

VBT

MOT

None of the above

13 / 25

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

exothermic

same

unpredictable

endothermic

14 / 25

Which of the following element does not show allotropy:

Sulphur

Nitrogen

Carbon

Arsenic

15 / 25

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

intrinsic property

colligative property

additive property

constitutive property

16 / 25

Butyl chloride gives possible isomers?

17 / 25

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

Primary structure

Secondary structure

Quantum structure

Tertiary structure

18 / 25

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

19 / 25

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

20 / 25

Paramagnetic behavior of substance is measured by a balance called:

Guoys balance

Analytical balance

Electrical balance

Single beam balance

21 / 25

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

Both

None of above

22 / 25

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

Rubber

Glass

None of the above

Plastic

23 / 25

In solids the temperature is the measure of:

Translational kinetic energy

Vibrational kinetic energy

Average kinetic energy of molecules

None of the above

24 / 25

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

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

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

Be+H20?Be (OH)2+H2

No reaction

25 / 25

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

black

yellow

brick red

pink

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