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

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Question # 1

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

Question # 2

There were seven groups in periodic table proposed by:

Question # 3

Ionization energy of sodium is (Kj/mol)

Question # 4

Electron affinity value from higher to heavier element:

Question # 5

Oxidation state of boron, aluminium and gallium is:

Question # 6

Binary compounds of hydrogens are called:

Question # 7

Periodic law was given by:

Question # 8

Newland gave his law in the year:

Question # 9

Alkali and alkaline earth metals are basic oxides except:

Question # 10

Mendeleev was a scientist:

Question # 11

The periodic function of properties of elements is their atomic number

Question # 12

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

Question # 13

Dobriener's was a scientist:

Question # 14

Law of triads was given by:

Question # 15

Mendeleev gave his periodic law in the year:

Question # 16

Mosley gave his periodic law in the year:

Question # 17

Newland's was scientist:

Question # 18

Which group elements are the least metallic in nature?

Question # 19

Oxidation state of an element in free state is:

Question # 20

Dobereiner gave his law in the year:

Question # 21

Hydration energy depends upon:

Question # 22

Properties of metal are:

Question # 23

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

Question # 24

Sodium belongs to block of periodic table:

Question # 25

Newland said, every eight element repeats properties of element:

Question # 26

Element with higher oxidation state form oxides:

Question # 27

Modern Periodic table is based upon periodic function:

Question # 28

E.N. Value of fluorine is:

Question # 29

Mark the correct statement:

Question # 30

Period Number 6 contains elements in it:

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Sr.# Question Answer
1 Period Number 6 contains elements in it:
A. 2
B. 8
C. 18
D. 32
2 Newland's gave law:
A. Triad's law
B. Octaves law
C. Period law
D. Moderen periodic law
3 Mosley gave his periodic law in the year:
A. 1829
B. 1864
C. 1871
D. 1913
4 Mendeleev gave his periodic law in the year:
A. 1829
B. 1864
C. 1871
D. 1913
5 Ionization energy of sodium is (Kj/mol)
A. 503
B. 523
C. 513
D. 524
6 Newland gave his law in the year:
A. 1829
B. 1864
C. 1871
D. 1913
7 E.N. Value of fluorine is:
A. 2.1
B. 2.5
C. 3.5
D. 4.0
8 Mark the correct statement:
A. All lanthanides are present in the same period.
B. all halogens are present in he same period.
C. All the alkali metals are present in the same group.
D. All the noble gases are present in the same period.
9 Modern Periodic table is based upon periodic function:
A. Atomic mass
B. Mass number
C. Nuclide Number
D. Atomic number
10 Scientist(s) made contributions in the field designing a periodic table
A. Newland
B. Dobriener
C. Mendeleev & Mosley
D. All of these

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