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

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Question # 1

Group VA of the periodic table consists of the elements N, P, As, Sb and Bi, On passing from N to Bi, the oxides of the elements of general formula M2O3become

Question # 2

Which of the following fluorides does not exists?

Question # 3

The oxide of beryllium is

Question # 4

Density of aluminium is (g cm-3):

Question # 5

Which of the following oxides is peroxide?

Question # 6

Which of the following elements is most metallic?

Question # 7

What is going to replace the petroleum?

Question # 8

Lime, calcium oxide, is used in agriculture for

Question # 9

Sulphuric acid has great affinity for water because

Question # 10

Which salt is used for the treatment of hyperacidity in stomach

Question # 11

Which element among the following belongs to Group IV-A of the periodic table?

Question # 12

When a colourless gas is passed through bromine water only decolourisation takes place the gas is

Question # 13

When SO2is passed through acidified K2Cr2O7solution

Question # 14

Orthophosphoric acid is

Question # 15

Phosphide ion has the electronic structure similar to that of

Question # 16

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

Question # 17

Which of the following is lighter

Question # 18

Which of the following compound is industrially prepared by the electrolysis of solution of NaCl

Question # 19

______ gives peroxide

Question # 20

The acid which has a peroxy linkage is

Question # 21

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

Question # 22

Electron affinity of sulphur is

Question # 23

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

Question # 24

Bond angle is minimum for

Question # 25

Pb has inert pair of electrons:

Question # 26

The chemical formula of Trona is

Question # 27

The chemical formula of chile salt peter is

Question # 28

Which will have the maximum value of heat of hydration

Question # 29

Marble is chemically

Question # 30

Which of the following are electropositive in nature

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Solvay process is used in the manufacture of
A. Na2CO3
B. NaHCO3
C. CaCl2
D. All
2 Chile saltpetre has the chemical formula
A. NaNO3
B. KNO3
C. Na2B4O7
D. Na2CO3H2O
3 Calcium carbide reacts with water to produce
A. Acetylene
B. Methane
C. Ethylene
D. Ethane
4 The maximum number of electrons in the outermost shall of s-black elements is
A. One
B. Two
C. Three
D. Four
5 Which element among the following belongs to Group IV-A of the periodic table?
A. Barium
B. Iodine
C. Lead
D. Oxygen
6 Which of the following is lighter
A. Li
B. k
C. Na
D. Ca
7 Sodium forms largely
A. Normal oxides
B. Per-oxides
C. Superoxides
D. None of these
8 Which one of the following elements occurs free in nature?
A. N
B. P
C. As
D. Sb
9 The chemical formula of Trona is
A. KCl . MgCl2. 6H2O
B. Na2CO3. 2NaHCO3. 2H2O
C. Na2CO3. H2O
D. KCl
10 Which of the following is acidic?
A. SO3
B. N2O
C. BeO
D. HgO

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