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

Mendeleev gave his periodic law in the year:

Question # 2

Newland gave his law in the year:

Question # 3

Oxidation state of boron, aluminium and gallium is:

Question # 4

Which group elements are the least metallic in nature?

Question # 5

Alkali and alkaline earth metals are basic oxides except:

Question # 6

Periodic law was given by:

Question # 7

Scientist(s) made contributions in the field designing a periodic table

Question # 8

Ionization energy of sodium is (Kj/mol)

Question # 9

the element not known till Mandleev tabulated his periodic table:

Question # 10

Mosley gave his periodic law in the year:

Question # 11

Dobereiner gave his law in the year:

Question # 12

Element with higher oxidation state form oxides:

Question # 13

Modern Periodic table is based upon periodic function:

Question # 14

Newland's gave law:

Question # 15

Hydration energy depends upon:

Question # 16

Electron affinity value from higher to heavier element:

Question # 17

Law of octaves was given by:

Question # 18

Newland said, every eight element repeats properties of element:

Question # 19

Mendeleev was a scientist:

Question # 20

Hydrides are:

Question # 21

Binary compounds of hydrogens are called:

Question # 22

Period Number 6 contains elements in it:

Question # 23

E.N. Value of fluorine is:

Question # 24

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

Question # 25

Sodium belongs to block of periodic table:

Question # 26

Law of triads was given by:

Question # 27

Mark the correct statement:

Question # 28

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

Question # 29

There were seven groups in periodic table proposed by:

Question # 30

Properties of metal 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 Oxidation state of boron, aluminium and gallium is:
A. +1
B. +2
C. +3
D. +5
3 Scientist(s) made contributions in the field designing a periodic table
A. Newland
B. Dobriener
C. Mendeleev & Mosley
D. All of these
4 Mendeleev gave his periodic law in the year:
A. 1829
B. 1864
C. 1871
D. 1913
5 Dobriener's was a scientist:
A. Russian
B. German
C. English
D. French
6 The periodic function of properties of elements is their atomic number
A. Al-Razi
B. Mosley
C. Newland
D. Mendeleev
7 Sodium belongs to block of periodic table:
A. S-Block
B. p- block
C. d- block
D. f- bloci
8 Mendeleev was a scientist:
A. Russioan
B. German
C. English
D. French
9 Mosley gave his periodic law in the year:
A. 1829
B. 1864
C. 1871
D. 1913
10 Binary compounds of hydrogens are called:
A. Halides
B. Hydrides
C. Oxides
D. Nitrides

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