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

Newland's was scientist:

Question # 2

Newland's gave law:

Question # 3

Hydration energy depends upon:

Question # 4

Law of triads was given by:

Question # 5

Alkali and alkaline earth metals are basic oxides except:

Question # 6

There were seven groups in periodic table proposed by:

Question # 7

Oxidation state of an element in free state is:

Question # 8

Sodium belongs to block of periodic table:

Question # 9

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

Question # 10

Period Number 6 contains elements in it:

Question # 11

Hydrides are:

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

E.N. Value of fluorine is:

Question # 16

The periodic function of properties of elements is their atomic number

Question # 17

the element not known till Mandleev tabulated his periodic table:

Question # 18

Which group elements are the least metallic in nature?

Question # 19

Ionization energy of sodium is (Kj/mol)

Question # 20

Newland said, every eight element repeats properties of element:

Question # 21

Dobriener's was a scientist:

Question # 22

Newland gave his law in the year:

Question # 23

Mark the correct statement:

Question # 24

Mendeleev gave his periodic law in the year:

Question # 25

Law of octaves was given by:

Question # 26

Element with higher oxidation state form oxides:

Question # 27

Periodic law was given by:

Question # 28

Oxidation state of boron, aluminium and gallium is:

Question # 29

Properties of metal are:

Question # 30

Mendeleev was a scientist:

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ECAT Chemistry Chapter 12 Important MCQ's

Sr.# Question Answer
1 Period Number 6 contains elements in it:
A. 2
B. 8
C. 18
D. 32
2 Mosley gave his periodic law in the year:
A. 1829
B. 1864
C. 1871
D. 1913
3 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.
4 Electron affinity value from higher to heavier element:
A. Increase
B. Decreases
C. remains same
D. Not effect
5 Mendeleev gave his periodic law in the year:
A. 1829
B. 1864
C. 1871
D. 1913
6 Binary compounds of hydrogens are called:
A. Halides
B. Hydrides
C. Oxides
D. Nitrides
7 Scientist(s) made contributions in the field designing a periodic table
A. Newland
B. Dobriener
C. Mendeleev & Mosley
D. All of these
8 Oxidation state of boron, aluminium and gallium is:
A. +1
B. +2
C. +3
D. +5
9 the element not known till Mandleev tabulated his periodic table:
A. Carbon
B. Hydrogen
C. Aluminum
D. Germanium
10 Newland's was scientist:
A. Russian
B. German
C. English
D. French

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