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

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

Question # 2

Electron affinity value from higher to heavier element:

Question # 3

Law of octaves was given by:

Question # 4

E.N. Value of fluorine is:

Question # 5

Newland said, every eight element repeats properties of element:

Question # 6

Periodic law was given by:

Question # 7

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

Question # 8

Mosley gave his periodic law in the year:

Question # 9

Newland's was scientist:

Question # 10

Alkali and alkaline earth metals are basic oxides except:

Question # 11

Binary compounds of hydrogens are called:

Question # 12

Which group elements are the least metallic in nature?

Question # 13

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

Question # 14

the element not known till Mandleev tabulated his periodic table:

Question # 15

Oxidation state of boron, aluminium and gallium is:

Question # 16

Law of triads was given by:

Question # 17

Period Number 6 contains elements in it:

Question # 18

Ionization energy of sodium is (Kj/mol)

Question # 19

Dobriener's was a scientist:

Question # 20

Mendeleev gave his periodic law in the year:

Question # 21

Dobereiner gave his law in the year:

Question # 22

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

Question # 23

Hydration energy depends upon:

Question # 24

The periodic function of properties of elements is their atomic number

Question # 25

Newland gave his law in the year:

Question # 26

Properties of metal are:

Question # 27

Modern Periodic table is based upon periodic function:

Question # 28

There were seven groups in periodic table proposed by:

Question # 29

Mark the correct statement:

Question # 30

Hydrides are:

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