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

Dobereiner gave his law in the year:

Question # 2

Sodium belongs to block of periodic table:

Question # 3

Law of triads was given by:

Question # 4

Newland's was scientist:

Question # 5

Mosley gave his periodic law in the year:

Question # 6

Binary compounds of hydrogens are called:

Question # 7

Ionization energy of sodium is (Kj/mol)

Question # 8

the element not known till Mandleev tabulated his periodic table:

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

Law of octaves was given by:

Question # 12

Modern Periodic table is based upon periodic function:

Question # 13

Newland's gave law:

Question # 14

Mark the correct statement:

Question # 15

Newland gave his law in the year:

Question # 16

There were seven groups in periodic table proposed by:

Question # 17

Newland said, every eight element repeats properties of element:

Question # 18

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

Question # 19

Period Number 6 contains elements in it:

Question # 20

Which group elements are the least metallic in nature?

Question # 21

E.N. Value of fluorine is:

Question # 22

Periodic law was given by:

Question # 23

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

Question # 24

Oxidation state of boron, aluminium and gallium is:

Question # 25

Element with higher oxidation state form oxides:

Question # 26

Mendeleev gave his periodic law in the year:

Question # 27

Alkali and alkaline earth metals are basic oxides except:

Question # 28

Dobriener's was a scientist:

Question # 29

Electron affinity value from higher to heavier element:

Question # 30

Hydration energy depends upon:

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ECAT Class 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 Newland gave his law in the year:
A. 1829
B. 1864
C. 1871
D. 1913
3 Dobereiner gave his law in the year:
A. 1829
B. 1864
C. 1871
D. 1931
4 Scientist(s) made contributions in the field designing a periodic table
A. Newland
B. Dobriener
C. Mendeleev & Mosley
D. All of these
5 Alkali and alkaline earth metals are basic oxides except:
A. Li
B. Be
C. Fr
D. Ba
6 Electron affinity value from higher to heavier element:
A. Increase
B. Decreases
C. remains same
D. Not effect
7 Period Number 6 contains elements in it:
A. 2
B. 8
C. 18
D. 32
8 Newland said, every eight element repeats properties of element:
A. 1st
B. 2nd
C. 3rd
D. 4th
9 Properties of metal are:
A. Malleable and ductile
B. Form basic oxides
C. Tamish in air
D. All are true
10 Mendeleev gave his periodic law in the year:
A. 1829
B. 1864
C. 1871
D. 1913

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