Chemistry Multiple-Choice Questions (MCQs) for Test Preparation ranging from Basic to Advanced. Chemistry Mcqs are from various parts of the Chemistry Subject. Chemistry Mcqs ranging from basic to advanced are available here. This will help you score higher on the Chemistry section of the test. These MCAT ECAT ETEA exam preparation Mcqs are beneficial for students and job seekers, such as MCAT ECAT ETEA test preparation, PPSC Test, FPSC Test, SPSC Test, KPPSC Test, BPSC Test, PTS, OTS, GTS, JTS, CTS.

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Created on April 01, 2022 By Preptestsonline

Chemistry MCQs Set 3

1 / 15

At which electrode the reduction of the solution is occurring in Al-Ag cell_____________?

A

Ag

Both

Neither

2 / 15

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

constitutive property

additive property

colligative property

intrinsic property

3 / 15

1 mole of electron has mass in microgram_________________?

1.008 x 10-3

5.5 x 10-4

1.84 x 10-4

1.673 x 10-3

4 / 15

A solution has pH = 0 its H+ ion concentration is__________________?

1 x 10-1

1 x 10-14

1 x 10-7

1

5 / 15

Which of the following is not characteristics of reversible reaction__________________?

whole amount of reactant does not change into product

chemical equilibrium is established

a catalyst changes the direction of reaction

rate of forward reaction decreases as reaction proceeds

6 / 15

Which of the following theories is superior to others__________________?

VSEPR

VBT

MOT

none of the above

7 / 15

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

Be+2H2O?Be (OH)2+H2

Be+H2O?Be (OH)2+H2

Be+H2O?[Be (OH)4]+2+H2

no reaction

8 / 15

Which of the solid does not contain covalent bond__________________?

copper

ice

diamond

graphite

9 / 15

The hardest of the following solids is__________________?

sodium

diamond

graphite

magnesium

10 / 15

Which of the following is mineral fiber ?

Teflon

asbestos

saran

acrylic

11 / 15

Which statement is consistent with Hunds rule ?

Electrons fill orbitals with parallel spins until all the orbitals of the same energy are half filled then they go into sub-shells with anti-parallel (opposite) spin.

The electrons in the same atom cannot have the same four quantum numbers

There is maximum of two electrons is an orbital.

None

12 / 15

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

1

2

3

4

13 / 15

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______________?

0.33 nm

0.34 nm

0.35 nm

0.36 nm

14 / 15

Which of the following properties prove that cathode rays are material in nature_________________?

they cast shadow

they possess momentum

they are negatively charged

all of the above

15 / 15

Paramagnetic behaviour of substance is measured by a balance called___________________?

Analytical balance

Guoys balance

Electrical balance

Single beam balance

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