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

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Question # 1

the element not known till Mandleev tabulated his periodic table:

Question # 2

Period Number 6 contains elements in it:

Question # 3

Newland's gave law:

Question # 4

Periodic law was given by:

Question # 5

E.N. Value of fluorine is:

Question # 6

Binary compounds of hydrogens are called:

Question # 7

There were seven groups in periodic table proposed by:

Question # 8

Sodium belongs to block of periodic table:

Question # 9

Mark the correct statement:

Question # 10

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

Question # 11

Which group elements are the least metallic in nature?

Question # 12

Law of octaves was given by:

Question # 13

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

Question # 14

Oxidation state of boron, aluminium and gallium is:

Question # 15

Hydration energy depends upon:

Question # 16

Alkali and alkaline earth metals are basic oxides except:

Question # 17

Dobereiner gave his law in the year:

Question # 18

Oxidation state of an element in free state is:

Question # 19

Electron affinity value from higher to heavier element:

Question # 20

Mendeleev was a scientist:

Question # 21

Properties of metal are:

Question # 22

Law of triads was given by:

Question # 23

Newland gave his law in the year:

Question # 24

Hydrides are:

Question # 25

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

Question # 26

Dobriener's was a scientist:

Question # 27

Newland's was scientist:

Question # 28

Element with higher oxidation state form oxides:

Question # 29

Newland said, every eight element repeats properties of element:

Question # 30

Modern Periodic table is based upon periodic function:

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Sr.# Question Answer
1 Ionization energy of sodium is (Kj/mol)
A. 503
B. 523
C. 513
D. 524
2 Period Number 6 contains elements in it:
A. 2
B. 8
C. 18
D. 32
3 the element not known till Mandleev tabulated his periodic table:
A. Carbon
B. Hydrogen
C. Aluminum
D. Germanium
4 Electron affinity value from higher to heavier element:
A. Increase
B. Decreases
C. remains same
D. Not effect
5 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.

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