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

Sodium belongs to block of periodic table:

Question # 2

Mendeleev was a scientist:

Question # 3

Mendeleev gave his periodic law in the year:

Question # 4

Element with higher oxidation state form oxides:

Question # 5

Oxidation state of an element in free state is:

Question # 6

Dobriener's was a scientist:

Question # 7

Ionization energy of sodium is (Kj/mol)

Question # 8

Mosley gave his periodic law in the year:

Question # 9

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

Question # 10

Alkali and alkaline earth metals are basic oxides except:

Question # 11

Mark the correct statement:

Question # 12

Period Number 6 contains elements in it:

Question # 13

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

Question # 14

Law of triads was given by:

Question # 15

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

Question # 16

Electron affinity value from higher to heavier element:

Question # 17

Periodic law was given by:

Question # 18

Newland gave his law in the year:

Question # 19

Modern Periodic table is based upon periodic function:

Question # 20

Newland's gave law:

Question # 21

Newland said, every eight element repeats properties of element:

Question # 22

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

Question # 23

There were seven groups in periodic table proposed by:

Question # 24

Properties of metal are:

Question # 25

Law of octaves was given by:

Question # 26

Hydrides are:

Question # 27

Dobereiner gave his law in the year:

Question # 28

the element not known till Mandleev tabulated his periodic table:

Question # 29

Hydration energy depends upon:

Question # 30

Binary compounds of hydrogens are called:

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ECAT Chemistry Chapter 12 Important MCQ's

Sr.# Question Answer
1 Oxidation state of boron, aluminium and gallium is:
A. +1
B. +2
C. +3
D. +5
2 Hydrides are:
A. Ionic
B. Covalent
C. Intermediate
D. All above
3 Newland's gave law:
A. Triad's law
B. Octaves law
C. Period law
D. Moderen periodic law
4 All facts of chemistry must be in simple logical patterns because chemistry is a subject:
A. Simple
B. Complex
C. Un-understandable
D. Easy
5 Mosley gave his periodic law in the year:
A. 1829
B. 1864
C. 1871
D. 1913
6 Law of octaves was given by:
A. Al-Razi
B. Dobriener
C. Newland
D. Mendeleev
7 There were seven groups in periodic table proposed by:
A. Al-Razi
B. Dobrierner
C. Newland
D. Mendeleev
8 Periodic law was given by:
A. Al-Razi
B. Dobriener
C. Newland
D. Mendeleev
9 Mendeleev gave his periodic law in the year:
A. 1829
B. 1864
C. 1871
D. 1913
10 Mendeleev was a scientist:
A. Russioan
B. German
C. English
D. French

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