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

Electron affinity value from higher to heavier element:

Question # 2

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

Question # 3

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

Question # 4

Periodic law was given by:

Question # 5

Newland said, every eight element repeats properties of element:

Question # 6

Newland gave his law in the year:

Question # 7

Law of octaves was given by:

Question # 8

Period Number 6 contains elements in it:

Question # 9

The periodic function of properties of elements is their atomic number

Question # 10

Oxidation state of an element in free state is:

Question # 11

Mendeleev gave his periodic law in the year:

Question # 12

Mendeleev was a scientist:

Question # 13

Properties of metal are:

Question # 14

Hydrides are:

Question # 15

Modern Periodic table is based upon periodic function:

Question # 16

Newland's gave law:

Question # 17

Hydration energy depends upon:

Question # 18

There were seven groups in periodic table proposed by:

Question # 19

Ionization energy of sodium is (Kj/mol)

Question # 20

Which group elements are the least metallic in nature?

Question # 21

Dobereiner gave his law in the year:

Question # 22

Mark the correct statement:

Question # 23

Alkali and alkaline earth metals are basic oxides except:

Question # 24

Element with higher oxidation state form oxides:

Question # 25

Newland's was scientist:

Question # 26

Dobriener's was a scientist:

Question # 27

Mosley gave his periodic law in the year:

Question # 28

E.N. Value of fluorine is:

Question # 29

Oxidation state of boron, aluminium and gallium is:

Question # 30

the element not known till Mandleev tabulated his periodic table:

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ECAT Chemistry Chapter 12 Important MCQ's

Sr.# Question Answer
1 Periodic law was given by:
A. Al-Razi
B. Dobriener
C. Newland
D. Mendeleev
2 Binary compounds of hydrogens are called:
A. Halides
B. Hydrides
C. Oxides
D. Nitrides
3 Atomic radius changes from top to bottom in a group.:
A. Increases
B. Decreases
C. Remains same
D. Sometimes increases & Decreases
4 Law of octaves was given by:
A. Al-Razi
B. Dobriener
C. Newland
D. Mendeleev
5 Period Number 6 contains elements in it:
A. 2
B. 8
C. 18
D. 32
6 Element with higher oxidation state form oxides:
A. Acidic
B. Basic
C. Ampholetic
D. Peroxides
7 the element not known till Mandleev tabulated his periodic table:
A. Carbon
B. Hydrogen
C. Aluminum
D. Germanium
8 Mendeleev was a scientist:
A. Russioan
B. German
C. English
D. French
9 E.N. Value of fluorine is:
A. 2.1
B. 2.5
C. 3.5
D. 4.0
10 Sodium belongs to block of periodic table:
A. S-Block
B. p- block
C. d- block
D. f- bloci

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