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

Modern Periodic table is based upon periodic function:

Question # 2

Newland said, every eight element repeats properties of element:

Question # 3

The periodic function of properties of elements is their atomic number

Question # 4

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

Question # 5

the element not known till Mandleev tabulated his periodic table:

Question # 6

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

Question # 7

Mosley gave his periodic law in the year:

Question # 8

Oxidation state of boron, aluminium and gallium is:

Question # 9

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

Question # 10

Periodic law was given by:

Question # 11

Alkali and alkaline earth metals are basic oxides except:

Question # 12

Sodium belongs to block of periodic table:

Question # 13

Binary compounds of hydrogens are called:

Question # 14

Newland's was scientist:

Question # 15

Mendeleev was a scientist:

Question # 16

Hydration energy depends upon:

Question # 17

E.N. Value of fluorine is:

Question # 18

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

Question # 19

Dobereiner gave his law in the year:

Question # 20

Newland gave his law in the year:

Question # 21

Law of octaves was given by:

Question # 22

Period Number 6 contains elements in it:

Question # 23

Which group elements are the least metallic in nature?

Question # 24

Electron affinity value from higher to heavier element:

Question # 25

Newland's gave law:

Question # 26

Element with higher oxidation state form oxides:

Question # 27

Law of triads was given by:

Question # 28

Hydrides are:

Question # 29

Ionization energy of sodium is (Kj/mol)

Question # 30

Properties of metal are:

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ECAT Chemistry Chapter 12 Important MCQ's

Sr.# Question Answer
1 Atomic radius changes from top to bottom in a group.:
A. Increases
B. Decreases
C. Remains same
D. Sometimes increases & Decreases
2 There were seven groups in periodic table proposed by:
A. Al-Razi
B. Dobrierner
C. Newland
D. Mendeleev
3 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
4 Alkali and alkaline earth metals are basic oxides except:
A. Li
B. Be
C. Fr
D. Ba
5 E.N. Value of fluorine is:
A. 2.1
B. 2.5
C. 3.5
D. 4.0
6 Electron affinity value from higher to heavier element:
A. Increase
B. Decreases
C. remains same
D. Not effect
7 Dobereiner gave his law in the year:
A. 1829
B. 1864
C. 1871
D. 1931
8 Mendeleev was a scientist:
A. Russioan
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 the element not known till Mandleev tabulated his periodic table:
A. Carbon
B. Hydrogen
C. Aluminum
D. Germanium

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