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

Which one of the following is not an alkali metal

Question # 2

Hybridized in carbon is:

Question # 3

Sodium forms largely

Question # 4

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

Question # 5

Basicity of orthoposphoric acid is

Question # 6

Sodium is never found free in nature because of its

Question # 7

The alkaline earth elements have in their s-orbital

Question # 8

Calcium carbide reacts with water to produce

Question # 9

White phosphorus is

Question # 10

Which shows maximum catenation property?

Question # 11

Which of the following salt is soluble in water

Question # 12

Which is not the form of silica?

Question # 13

Boric acid cannot be used:

Question # 14

The oxyacids of phosphorus in which phosphorus has the lowest oxidiation state is

Question # 15

NaHCO3is commonly called

Question # 16

In the earth crust sodium is

Question # 17

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 # 18

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 19

The oxide of beryllium is

Question # 20

Some of the elements of a period show similar behavior with the elements of next group in next period this is called

Question # 21

Which of the following elements is not present abundantly in earth's crust?

Question # 22

Copper oxide is dedected by borax bead test with colour:

Question # 23

Lime, calcium oxide, is used in agriculture for

Question # 24

The element caesium bears resemblance with

Question # 25

______ is called milk of magnesia

Question # 26

Silicon atom is hybridized:

Question # 27

Electron affinity of sulphur is

Question # 28

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

Question # 29

Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly

Question # 30

Hybridized in oxygen is:

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of the following elements is not present abundantly in earth's crust?
A. Silicon
B. Aluminium
C. Sodium
D. Oxygen
2 Which of the following sulphates is not soluble in water
A. Sodium sulphate
B. Potassium sulphate
C. Zinc sulphate
D. Barium sulphate
3 Alkaline earth metals posses two electrons in their outermost
A. F-orbital
B. D-orbital
C. S-orbital
D. P-orbital
4 Which salt is used for the treatment of hyperacidity in stomach
A. NaCl
B. KCl
C. NaHCO3
D. Na2CO3
5 Which one of the following elements occurs free in nature?
A. N
B. P
C. As
D. Sb
6 Which of the following statement is not related to Solvay's process of Na2CO3
A. Cheap materials
B. Pure product
C. Continuous process
D. Harmful by-products
7 Potassium superoxide has a use in breathing equipment in space crafts. The balanced equation for the reaction is
8 On alkali and alkaline earth metals down the group, there is decreasing trend in
A. m.p.
B. b.p.
C. Ionization potentiall
D. All of these
9 In a group IIA from top to bottom as the atomic number increases, there is regular decreases in
A. Ionic size
B. Atomic size
C. Ionization potential
D. None of these
10 Hypo is used in photography for
A. Developing picture
B. Picture printed
C. The colour of picture
D. The fixation of picture

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