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

Newland's gave law:

Question # 2

Newland said, every eight element repeats properties of element:

Question # 3

Newland gave his law in the year:

Question # 4

Alkali and alkaline earth metals are basic oxides except:

Question # 5

Binary compounds of hydrogens are called:

Question # 6

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

Question # 7

Law of octaves was given by:

Question # 8

Properties of metal are:

Question # 9

Hydrides are:

Question # 10

Period Number 6 contains elements in it:

Question # 11

Mendeleev gave his periodic law in the year:

Question # 12

Dobereiner gave his law in the year:

Question # 13

Ionization energy of sodium is (Kj/mol)

Question # 14

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

Question # 15

Law of triads was given by:

Question # 16

Hydration energy depends upon:

Question # 17

Oxidation state of boron, aluminium and gallium is:

Question # 18

There were seven groups in periodic table proposed by:

Question # 19

Mosley gave his periodic law in the year:

Question # 20

E.N. Value of fluorine is:

Question # 21

the element not known till Mandleev tabulated his periodic table:

Question # 22

Oxidation state of an element in free state is:

Question # 23

Sodium belongs to block of periodic table:

Question # 24

Which group elements are the least metallic in nature?

Question # 25

Newland's was scientist:

Question # 26

Electron affinity value from higher to heavier element:

Question # 27

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

Question # 28

Element with higher oxidation state form oxides:

Question # 29

Modern Periodic table is based upon periodic function:

Question # 30

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

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ECAT Chemistry Chapter 12 Important MCQ's

Sr.# Question Answer
1 Dobereiner gave his law in the year:
A. 1829
B. 1864
C. 1871
D. 1931
2 Mendeleev gave his periodic law in the year:
A. 1829
B. 1864
C. 1871
D. 1913
3 Binary compounds of hydrogens are called:
A. Halides
B. Hydrides
C. Oxides
D. Nitrides
4 Period Number 6 contains elements in it:
A. 2
B. 8
C. 18
D. 32
5 Scientist(s) made contributions in the field designing a periodic table
A. Newland
B. Dobriener
C. Mendeleev & Mosley
D. All of these
6 First of all, idea of groups and periods was introduced by:
A. Al-Razi
B. Dobriener
C. Newland
D. Mendeleev
7 Mendeleev was a scientist:
A. Russioan
B. German
C. English
D. French
8 Newland's was scientist:
A. Russian
B. German
C. English
D. French
9 Newland's gave law:
A. Triad's law
B. Octaves law
C. Period law
D. Moderen periodic law
10 There were seven groups in periodic table proposed by:
A. Al-Razi
B. Dobrierner
C. Newland
D. Mendeleev

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