ECAT Pre Engineering Chemistry Chapter 14 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

Try The MCQ's Test For ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

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ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

00:00
Question # 1

Dipole moment of CO molecule is:

Question # 2

Sodium should be stored in

Question # 3

Copper oxide is dedected by borax bead test with colour:

Question # 4

All the following decompose easily on heating to give oxygen except

Question # 5

Sulphuric acid has great affinity for water because

Question # 6

All the elements of oxygen family are

Question # 7

Gypsum is a common mineral of

Question # 8

Which metal of Group-II A of the periodic Table, will form the least ionic chloride

Question # 9

On alkali and alkaline earth metals down the group, there is decreasing trend in

Question # 10

The oxide of beryllium is

Question # 11

Permonosulphuric acid is known as

Question # 12

The oxidation number of each element of group ll-A is

Question # 13

What is chrome yellow?

Question # 14

Which of the following is formed by the action of water on sodium peroxide?

Question # 15

Which is not the form of silica?

Question # 16

Which of the following sulphates is not soluble in water

Question # 17

Which of the following statement is not related to Solvay's process of Na2CO3

Question # 18

BiCl3on hydrolysis forms a white precipitate of

Question # 19

Which of the following has highest dipole moment?

Question # 20

Hybridized in oxygen is:

Question # 21

Crystalline form of sulphur stable at room temperature is

Question # 22

The metal with highest electrical resistance at room temperature is

Question # 23

The number of unpaired electrons in the p-subshell of oxygen atom

Question # 24

The formula of lime stone is

Question # 25

Which of the following oxides is peroxide?

Question # 26

Commercial common salt becomes slight damp on storing because

Question # 27

Chemical composition of colemnite is:

Question # 28

Sodium is never found free in nature because of its

Question # 29

Phosphide ion has the electronic structure similar to that of

Question # 30

Which element form group 15 gives most basic compound with hydrogen?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 When sulphur is boiled with Na2SO3solution, the compound formed is
A. Sodium sulphides
B. Sodiums sulphates
C. Sodium persulphate
D. Sodium thiosulphate
2 Which is used in navigational equipments?
A. B
B. Be
C. Mg
D. Al
3 The number of unpaired electrons in the p-subshell of oxygen atom
A. 1
B. 2
C. 3
D. 4
4 Lithium reacts with air to form
A. Peroxide
B. Normal oxide
C. Superoxide
D. None of these
5 HNO2acts as an/a
A. Acid
B. Oxidizing agent
C. Reducing agent
D. All the three
6 Some of the elements of a period show similar behavior with the elements of next group in next period this is called
A. Vertical relationship
B. Oblique relationship
C. Diagonal relationship
D. None
7 The oxidation number of each element of group ll-A is
A. 0
B. +1
C. +2
D. -1
8 Sodium should be stored in
A. Air free from moisture
B. Air free form carbon dioxide
C. Under water
D. Under kerosene oil
9 Which is an essential constituent of chlorophyll
A. Be
B. Fe
C. Mg
D. Ca
10 ______ gives peroxide
A. Li
B. Ba
C. Sr
D. Be

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