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

Hydrides are:

Question # 2

Newland's gave law:

Question # 3

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

Question # 4

The periodic function of properties of elements is their atomic number

Question # 5

Alkali and alkaline earth metals are basic oxides except:

Question # 6

There were seven groups in periodic table proposed by:

Question # 7

Period Number 6 contains elements in it:

Question # 8

Newland's was scientist:

Question # 9

Mendeleev gave his periodic law in the year:

Question # 10

Oxidation state of boron, aluminium and gallium is:

Question # 11

E.N. Value of fluorine is:

Question # 12

Newland said, every eight element repeats properties of element:

Question # 13

Law of octaves was given by:

Question # 14

Periodic law was given by:

Question # 15

Dobereiner gave his law in the year:

Question # 16

Modern Periodic table is based upon periodic function:

Question # 17

Properties of metal are:

Question # 18

the element not known till Mandleev tabulated his periodic table:

Question # 19

Mosley gave his periodic law in the year:

Question # 20

Mendeleev was a scientist:

Question # 21

Sodium belongs to block of periodic table:

Question # 22

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

Question # 23

Element with higher oxidation state form oxides:

Question # 24

Newland gave his law in the year:

Question # 25

Ionization energy of sodium is (Kj/mol)

Question # 26

Electron affinity value from higher to heavier element:

Question # 27

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

Question # 28

Dobriener's was a scientist:

Question # 29

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

Question # 30

Which group elements are the least metallic in nature?

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ECAT Chemistry Chapter 12 Important MCQ's

Sr.# Question Answer
1 Newland gave his law in the year:
A. 1829
B. 1864
C. 1871
D. 1913
2 Dobereiner gave his law in the year:
A. 1829
B. 1864
C. 1871
D. 1931
3 Law of octaves was given by:
A. Al-Razi
B. Dobriener
C. Newland
D. Mendeleev
4 Mendeleev gave his periodic law in the year:
A. 1829
B. 1864
C. 1871
D. 1913
5 All facts of chemistry must be in simple logical patterns because chemistry is a subject:
A. Simple
B. Complex
C. Un-understandable
D. Easy
6 Mosley gave his periodic law in the year:
A. 1829
B. 1864
C. 1871
D. 1913
7 Hydrides are:
A. Ionic
B. Covalent
C. Intermediate
D. All above
8 Newland's was scientist:
A. Russian
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 Ionization energy of sodium is (Kj/mol)
A. 503
B. 523
C. 513
D. 524

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