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

Ionization energy of sodium is (Kj/mol)

Question # 3

Binary compounds of hydrogens are called:

Question # 4

There were seven groups in periodic table proposed by:

Question # 5

Mark the correct statement:

Question # 6

The periodic function of properties of elements is their atomic number

Question # 7

Sodium belongs to block of periodic table:

Question # 8

E.N. Value of fluorine is:

Question # 9

Properties of metal are:

Question # 10

Modern Periodic table is based upon periodic function:

Question # 11

Newland gave his law in the year:

Question # 12

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

Question # 13

Period Number 6 contains elements in it:

Question # 14

Mendeleev was a scientist:

Question # 15

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

Question # 16

Hydrides are:

Question # 17

Electron affinity value from higher to heavier element:

Question # 18

Newland said, every eight element repeats properties of element:

Question # 19

Law of triads was given by:

Question # 20

Oxidation state of boron, aluminium and gallium is:

Question # 21

Mosley gave his periodic law in the year:

Question # 22

Newland's gave law:

Question # 23

Hydration energy depends upon:

Question # 24

Law of octaves was given by:

Question # 25

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

Question # 26

Element with higher oxidation state form oxides:

Question # 27

Alkali and alkaline earth metals are basic oxides except:

Question # 28

Newland's was scientist:

Question # 29

Dobereiner gave his law in the year:

Question # 30

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

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ECAT Chemistry Chapter 12 Important MCQ's

Sr.# Question Answer
1 E.N. Value of fluorine is:
A. 2.1
B. 2.5
C. 3.5
D. 4.0
2 First of all, idea of groups and periods was introduced by:
A. Al-Razi
B. Dobriener
C. Newland
D. Mendeleev
3 Dobereiner gave his law in the year:
A. 1829
B. 1864
C. 1871
D. 1931
4 Oxidation state of boron, aluminium and gallium is:
A. +1
B. +2
C. +3
D. +5
5 Period Number 6 contains elements in it:
A. 2
B. 8
C. 18
D. 32
6 Electron affinity value from higher to heavier element:
A. Increase
B. Decreases
C. remains same
D. Not effect
7 Properties of metal are:
A. Malleable and ductile
B. Form basic oxides
C. Tamish in air
D. All are true
8 Oxidation state of an element in free state is:
A. Its numebr of elemtrons lost
B. Its number of electrons gained
C. zero
D. Its number of electrons shared
9 Mendeleev gave his periodic law in the year:
A. 1829
B. 1864
C. 1871
D. 1913
10 There were seven groups in periodic table proposed by:
A. Al-Razi
B. Dobrierner
C. Newland
D. Mendeleev

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