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

Permonosulphuric acid is known as

Question # 2

Which one of the following pentafluorides cannot be formed?

Question # 3

Lime, calcium oxide, is used in agriculture for

Question # 4

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

Question # 5

Which of the following fluorides does not exists?

Question # 6

The ore CaSO42H2O has the general name

Question # 7

Identify the incorrect statement with respect to ozone

Question # 8

Which of the element is not an alkaline earth metal

Question # 9

Al is the most element in earth crust:

Question # 10

Francium is an element at the bottom of Group I in the Periodic Table. Which one of the following predication is likely to be correct?

Question # 11

Heavy water is obtained by

Question # 12

Down's cell is used to prepare

Question # 13

Which carbonate of alkali metals is insoluble in water

Question # 14

Which of all following compound is not possible

Question # 15

Which of the following sulphates is not soluble in water

Question # 16

Hybridized in carbon is:

Question # 17

Alkaline earth metals posses two electrons in their outermost

Question # 18

In the earth crust sodium is

Question # 19

Bond angle is minimum for

Question # 20

What is the formula of asbestos?

Question # 21

In a group IIA from top to bottom as the atomic number increases, there is regular decreases in

Question # 22

Crystalline form of sulphur stable at room temperature is

Question # 23

The maximum number of electrons in the outermost shall of s-black elements is

Question # 24

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

Question # 25

What causes nitrogen to be chemically inert?

Question # 26

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 # 27

The number of electron that are paired in oxygen molecule are

Question # 28

Which of the following elements is most metallic?

Question # 29

HNO2acts as an/a

Question # 30

The acid which has a peroxy linkage is

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which has soapy touch?
A. Na2B4O7
B. H3BO3
C. Ca2B6O11
D. HBO2
2 The oxyacids of phosphorus in which phosphorus has the lowest oxidiation state is
A. Hypophosphorus acid
B. Orthophosphorus acid
C. Pyrophosphorus acid
D. Metaphosphorus acid
3 When sulphur is boiled with Na2SO3solution, the compound formed is
A. Sodium sulphides
B. Sodiums sulphates
C. Sodium persulphate
D. Sodium thiosulphate
4 Which of the following salt is used as purgative
A. CaSO4
B. MgSO4
C. BeSO4
D. NaCl
5 Calcium carbide reacts with water to produce
A. Acetylene
B. Methane
C. Ethylene
D. Ethane
6 Which is not the form of silica?
A. Amethyst quatz
B. Rose quatz
C. Smoky
D. None of these
7 Lithium reacts with air to form
A. Peroxide
B. Normal oxide
C. Superoxide
D. None of these
8 Which metal of Group-II A of the periodic Table, will form the least ionic chloride
A. Be
B. Mg
C. Ca
D. Sr
9 Which of the following salt is soluble in water
A. CaCO3
B. CaSO4
C. MgSO4
D. BaSO4
10 Permonosulphuric acid is known as
A. Marshall's acid
B. Carlo's acid
C. Sulphuric acid
D. None of these

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