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

Periodic law was given by:

Question # 2

Newland's was scientist:

Question # 3

Law of octaves was given by:

Question # 4

Properties of metal are:

Question # 5

Alkali and alkaline earth metals are basic oxides except:

Question # 6

Modern Periodic table is based upon periodic function:

Question # 7

Law of triads was given by:

Question # 8

Hydrides are:

Question # 9

Ionization energy of sodium is (Kj/mol)

Question # 10

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

Question # 11

Mendeleev was a scientist:

Question # 12

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

Question # 13

Oxidation state of an element in free state is:

Question # 14

Mosley gave his periodic law in the year:

Question # 15

Electron affinity value from higher to heavier element:

Question # 16

Dobriener's was a scientist:

Question # 17

E.N. Value of fluorine is:

Question # 18

Dobereiner gave his law in the year:

Question # 19

Which group elements are the least metallic in nature?

Question # 20

Mendeleev gave his periodic law in the year:

Question # 21

There were seven groups in periodic table proposed by:

Question # 22

the element not known till Mandleev tabulated his periodic table:

Question # 23

Newland gave his law in the year:

Question # 24

Period Number 6 contains elements in it:

Question # 25

Sodium belongs to block of periodic table:

Question # 26

Newland's gave law:

Question # 27

The periodic function of properties of elements is their atomic number

Question # 28

Newland said, every eight element repeats properties of element:

Question # 29

Oxidation state of boron, aluminium and gallium is:

Question # 30

Mark the correct statement:

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ECAT Chemistry Chapter 12 Important MCQ's

Sr.# Question Answer
1 Electron affinity value from higher to heavier element:
A. Increase
B. Decreases
C. remains same
D. Not effect
2 Hydration energy depends upon:
A. Change of Ion
B. Size of Ion
C. Charge to size ratio
D. Heat changes
3 E.N. Value of fluorine is:
A. 2.1
B. 2.5
C. 3.5
D. 4.0
4 All facts of chemistry must be in simple logical patterns because chemistry is a subject:
A. Simple
B. Complex
C. Un-understandable
D. Easy
5 Modern Periodic table is based upon periodic function:
A. Atomic mass
B. Mass number
C. Nuclide Number
D. Atomic number
6 Newland's was scientist:
A. Russian
B. German
C. English
D. French
7 Scientist(s) made contributions in the field designing a periodic table
A. Newland
B. Dobriener
C. Mendeleev & Mosley
D. All of these
8 There were seven groups in periodic table proposed by:
A. Al-Razi
B. Dobrierner
C. Newland
D. Mendeleev
9 Dobereiner gave his law in the year:
A. 1829
B. 1864
C. 1871
D. 1931
10 Law of octaves was given by:
A. Al-Razi
B. Dobriener
C. Newland
D. Mendeleev

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