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

Newland's was scientist:

Question # 2

Alkali and alkaline earth metals are basic oxides except:

Question # 3

Modern Periodic table is based upon periodic function:

Question # 4

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

Question # 5

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

Question # 6

Law of octaves was given by:

Question # 7

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

Question # 8

Newland said, every eight element repeats properties of element:

Question # 9

Oxidation state of an element in free state is:

Question # 10

Mark the correct statement:

Question # 11

Newland's gave law:

Question # 12

Dobereiner gave his law in the year:

Question # 13

Hydration energy depends upon:

Question # 14

Ionization energy of sodium is (Kj/mol)

Question # 15

The periodic function of properties of elements is their atomic number

Question # 16

Which group elements are the least metallic in nature?

Question # 17

the element not known till Mandleev tabulated his periodic table:

Question # 18

Element with higher oxidation state form oxides:

Question # 19

Hydrides are:

Question # 20

Period Number 6 contains elements in it:

Question # 21

Newland gave his law in the year:

Question # 22

Periodic law was given by:

Question # 23

Mosley gave his periodic law in the year:

Question # 24

Mendeleev was a scientist:

Question # 25

Dobriener's was a scientist:

Question # 26

Oxidation state of boron, aluminium and gallium is:

Question # 27

Sodium belongs to block of periodic table:

Question # 28

Mendeleev gave his periodic law in the year:

Question # 29

Electron affinity value from higher to heavier element:

Question # 30

Properties of metal are:

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ECAT 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 Hydrides are:
A. Ionic
B. Covalent
C. Intermediate
D. All above
3 Electron affinity value from higher to heavier element:
A. Increase
B. Decreases
C. remains same
D. Not effect
4 Properties of metal are:
A. Malleable and ductile
B. Form basic oxides
C. Tamish in air
D. All are true
5 Period Number 6 contains elements in it:
A. 2
B. 8
C. 18
D. 32
6 Alkali and alkaline earth metals are basic oxides except:
A. Li
B. Be
C. Fr
D. Ba
7 Atomic radius changes from top to bottom in a group.:
A. Increases
B. Decreases
C. Remains same
D. Sometimes increases & Decreases
8 Newland's gave law:
A. Triad's law
B. Octaves law
C. Period law
D. Moderen periodic law
9 the element not known till Mandleev tabulated his periodic table:
A. Carbon
B. Hydrogen
C. Aluminum
D. Germanium
10 Dobereiner gave his law in the year:
A. 1829
B. 1864
C. 1871
D. 1931

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