ECAT Pre Engineering Chemistry Chapter 12 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 12 Periodic Classification of Elements and Periodicity

Try The MCQ's Test For ECAT Chemistry Chapter 12 Periodic Classification of Elements and Periodicity

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ECAT Chemistry Chapter 12 Periodic Classification of Elements and Periodicity

00:00
Question # 1

Oxidation state of an element in free state is:

Question # 2

Newland's gave law:

Question # 3

All facts of chemistry must be in simple logical patterns because chemistry is a subject:

Question # 4

Law of triads was given by:

Question # 5

Periodic law was given by:

Question # 6

Properties of metal are:

Question # 7

Period Number 6 contains elements in it:

Question # 8

E.N. Value of fluorine is:

Question # 9

Mark the correct statement:

Question # 10

Mendeleev was a scientist:

Question # 11

Oxidation state of boron, aluminium and gallium is:

Question # 12

Electron affinity value from higher to heavier element:

Question # 13

Element with higher oxidation state form oxides:

Question # 14

Mosley gave his periodic law in the year:

Question # 15

First of all, idea of groups and periods was introduced by:

Question # 16

Law of octaves was given by:

Question # 17

Modern Periodic table is based upon periodic function:

Question # 18

The periodic function of properties of elements is their atomic number

Question # 19

Atomic radius changes from top to bottom in a group.:

Question # 20

Alkali and alkaline earth metals are basic oxides except:

Question # 21

Binary compounds of hydrogens are called:

Question # 22

the element not known till Mandleev tabulated his periodic table:

Question # 23

Dobereiner gave his law in the year:

Question # 24

Mendeleev gave his periodic law in the year:

Question # 25

Newland said, every eight element repeats properties of element:

Question # 26

Which group elements are the least metallic in nature?

Question # 27

There were seven groups in periodic table proposed by:

Question # 28

Hydration energy depends upon:

Question # 29

Sodium belongs to block of periodic table:

Question # 30

Hydrides are:

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ECAT Chemistry Chapter 12 Important MCQ's

Sr.# Question Answer
1 Newland's gave law:
A. Triad's law
B. Octaves law
C. Period law
D. Moderen periodic law
2 E.N. Value of fluorine is:
A. 2.1
B. 2.5
C. 3.5
D. 4.0
3 Mendeleev was a scientist:
A. Russioan
B. German
C. English
D. French
4 Periodic law was given by:
A. Al-Razi
B. Dobriener
C. Newland
D. Mendeleev
5 Oxidation state of boron, aluminium and gallium is:
A. +1
B. +2
C. +3
D. +5
6 Scientist(s) made contributions in the field designing a periodic table
A. Newland
B. Dobriener
C. Mendeleev & Mosley
D. All of these
7 Modern Periodic table is based upon periodic function:
A. Atomic mass
B. Mass number
C. Nuclide Number
D. Atomic number
8 Newland gave his law in the year:
A. 1829
B. 1864
C. 1871
D. 1913
9 Element with higher oxidation state form oxides:
A. Acidic
B. Basic
C. Ampholetic
D. Peroxides
10 Hydrides are:
A. Ionic
B. Covalent
C. Intermediate
D. All above

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