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

Electron affinity value from higher to heavier element:

Question # 2

the element not known till Mandleev tabulated his periodic table:

Question # 3

There were seven groups in periodic table proposed by:

Question # 4

Sodium belongs to block of periodic table:

Question # 5

Ionization energy of sodium is (Kj/mol)

Question # 6

Dobriener's was a scientist:

Question # 7

E.N. Value of fluorine is:

Question # 8

Periodic law was given by:

Question # 9

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

Question # 10

Oxidation state of an element in free state is:

Question # 11

Newland's was scientist:

Question # 12

Hydration energy depends upon:

Question # 13

Mendeleev was a scientist:

Question # 14

Newland said, every eight element repeats properties of element:

Question # 15

Period Number 6 contains elements in it:

Question # 16

Element with higher oxidation state form oxides:

Question # 17

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

Question # 18

Law of triads was given by:

Question # 19

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

Question # 20

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

Question # 21

Hydrides are:

Question # 22

Modern Periodic table is based upon periodic function:

Question # 23

Dobereiner gave his law in the year:

Question # 24

Binary compounds of hydrogens are called:

Question # 25

Mark the correct statement:

Question # 26

Mendeleev gave his periodic law in the year:

Question # 27

Law of octaves was given by:

Question # 28

Alkali and alkaline earth metals are basic oxides except:

Question # 29

Mosley gave his periodic law in the year:

Question # 30

Which group elements are the least metallic in nature?

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ECAT Chemistry Chapter 12 Important MCQ's

Sr.# Question Answer
1 All facts of chemistry must be in simple logical patterns because chemistry is a subject:
A. Simple
B. Complex
C. Un-understandable
D. Easy
2 Mosley gave his periodic law in the year:
A. 1829
B. 1864
C. 1871
D. 1913
3 Ionization energy of sodium is (Kj/mol)
A. 503
B. 523
C. 513
D. 524
4 Period Number 6 contains elements in it:
A. 2
B. 8
C. 18
D. 32
5 Properties of metal are:
A. Malleable and ductile
B. Form basic oxides
C. Tamish in air
D. All are true
6 Dobereiner gave his law in the year:
A. 1829
B. 1864
C. 1871
D. 1931
7 The periodic function of properties of elements is their atomic number
A. Al-Razi
B. Mosley
C. Newland
D. Mendeleev
8 Periodic law was given by:
A. Al-Razi
B. Dobriener
C. Newland
D. Mendeleev
9 Element with higher oxidation state form oxides:
A. Acidic
B. Basic
C. Ampholetic
D. Peroxides
10 First of all, idea of groups and periods was introduced by:
A. Al-Razi
B. Dobriener
C. Newland
D. Mendeleev

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