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

Mendeleev was a scientist:

Question # 2

Mosley gave his periodic law in the year:

Question # 3

Newland's gave law:

Question # 4

Mark the correct statement:

Question # 5

The periodic function of properties of elements is their atomic number

Question # 6

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

Question # 7

Periodic law was given by:

Question # 8

Dobereiner gave his law in the year:

Question # 9

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

Question # 10

Newland's was scientist:

Question # 11

Newland gave his law in the year:

Question # 12

Ionization energy of sodium is (Kj/mol)

Question # 13

Alkali and alkaline earth metals are basic oxides except:

Question # 14

Oxidation state of boron, aluminium and gallium is:

Question # 15

There were seven groups in periodic table proposed by:

Question # 16

E.N. Value of fluorine is:

Question # 17

Modern Periodic table is based upon periodic function:

Question # 18

Newland said, every eight element repeats properties of element:

Question # 19

Element with higher oxidation state form oxides:

Question # 20

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

Question # 21

Dobriener's was a scientist:

Question # 22

Sodium belongs to block of periodic table:

Question # 23

Law of triads was given by:

Question # 24

Electron affinity value from higher to heavier element:

Question # 25

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

Question # 26

Period Number 6 contains elements in it:

Question # 27

Mendeleev gave his periodic law in the year:

Question # 28

Hydrides are:

Question # 29

Properties of metal are:

Question # 30

Hydration energy depends upon:

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ECAT Chemistry Chapter 12 Important MCQ's

Sr.# Question Answer
1 Binary compounds of hydrogens are called:
A. Halides
B. Hydrides
C. Oxides
D. Nitrides
2 Mosley gave his periodic law in the year:
A. 1829
B. 1864
C. 1871
D. 1913
3 Newland's gave law:
A. Triad's law
B. Octaves law
C. Period law
D. Moderen periodic law
4 Oxidation state of an element in free state is:
A. Its numebr of elemtrons lost
B. Its number of electrons gained
C. zero
D. Its number of electrons shared
5 Periodic law was given by:
A. Al-Razi
B. Dobriener
C. Newland
D. Mendeleev
6 Dobereiner gave his law in the year:
A. 1829
B. 1864
C. 1871
D. 1931
7 First of all, idea of groups and periods was introduced by:
A. Al-Razi
B. Dobriener
C. Newland
D. Mendeleev
8 Mendeleev was a scientist:
A. Russioan
B. German
C. English
D. French
9 Newland's was scientist:
A. Russian
B. German
C. English
D. French
10 Hydrides are:
A. Ionic
B. Covalent
C. Intermediate
D. All above

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