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

Law of triads was given by:

Question # 2

Alkali and alkaline earth metals are basic oxides except:

Question # 3

There were seven groups in periodic table proposed by:

Question # 4

Ionization energy of sodium is (Kj/mol)

Question # 5

Newland's gave law:

Question # 6

Which group elements are the least metallic in nature?

Question # 7

Newland said, every eight element repeats properties of element:

Question # 8

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

Question # 9

Newland's was scientist:

Question # 10

Properties of metal are:

Question # 11

Modern Periodic table is based upon periodic function:

Question # 12

Oxidation state of an element in free state is:

Question # 13

Electron affinity value from higher to heavier element:

Question # 14

Newland gave his law in the year:

Question # 15

Mendeleev gave his periodic law in the year:

Question # 16

Dobriener's was a scientist:

Question # 17

Hydration energy depends upon:

Question # 18

The periodic function of properties of elements is their atomic number

Question # 19

Hydrides are:

Question # 20

E.N. Value of fluorine is:

Question # 21

Periodic law was given by:

Question # 22

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

Question # 23

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

Question # 24

Period Number 6 contains elements in it:

Question # 25

Oxidation state of boron, aluminium and gallium is:

Question # 26

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

Question # 27

Mark the correct statement:

Question # 28

the element not known till Mandleev tabulated his periodic table:

Question # 29

Sodium belongs to block of periodic table:

Question # 30

Dobereiner gave his law in the year:

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ECAT Chemistry Chapter 12 Important MCQ's

Sr.# Question Answer
1 The periodic function of properties of elements is their atomic number
A. Al-Razi
B. Mosley
C. Newland
D. Mendeleev
2 Which group elements are the least metallic in nature?
A. IV-A
B. V-A
C. VI-A
D. VII-A
3 Newland's was scientist:
A. Russian
B. German
C. English
D. French
4 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.
5 Element with higher oxidation state form oxides:
A. Acidic
B. Basic
C. Ampholetic
D. Peroxides
6 Atomic radius changes from top to bottom in a group.:
A. Increases
B. Decreases
C. Remains same
D. Sometimes increases & Decreases
7 Mendeleev gave his periodic law in the year:
A. 1829
B. 1864
C. 1871
D. 1913
8 Dobriener's was a scientist:
A. Russian
B. German
C. English
D. French
9 Ionization energy of sodium is (Kj/mol)
A. 503
B. 523
C. 513
D. 524
10 Binary compounds of hydrogens are called:
A. Halides
B. Hydrides
C. Oxides
D. Nitrides

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