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

The chemical formula of magnesite is

Question # 2

Gypsum is applied to the soil to provide calcium and

Question # 3

Which of the element is not alkali metal

Question # 4

Red P can be obtained form white P by

Question # 5

Which of the following phosphorus is most reactive?

Question # 6

The element which has a simple cubic lattice in solid state is

Question # 7

Commercial common salt becomes slight damp on storing because

Question # 8

Which of the following fluorides does not exists?

Question # 9

Permonosulphuric acid is known as

Question # 10

Which of the following elements is most metallic?

Question # 11

Sulphuric acid has great affinity for water because

Question # 12

Alkaline earth metals are usually

Question # 13

Which is an essential constituent of chlorophyll

Question # 14

Potassium superoxide has a use in breathing equipment in space crafts. The balanced equation for the reaction is

Question # 15

Which of the following sulphates is not soluble in water

Question # 16

Which electronic configuration corresponds to an element of Group ||Z-A of the periodic table?

Question # 17

Identify the incorrect statement with respect to ozone

Question # 18

Alkaline earth metals posses two electrons in their outermost

Question # 19

Which shows maximum catenation property?

Question # 20

Which of the following is the hardest metal among following

Question # 21

Hybridized in carbon is:

Question # 22

The alkaline earth elements have in their s-orbital

Question # 23

Phosphorus pentoxide finds use as

Question # 24

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

Question # 25

Down's cell is used to prepare

Question # 26

What is going to replace the petroleum?

Question # 27

Lime, calcium oxide, is used in agriculture for

Question # 28

CaC2on hydrolysis form

Question # 29

Which of the following sulphates has the highest solubility in water

Question # 30

Which of the following form normal oxide

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Borax is a common mineral of alkali metal sodium. Its formula is
A. Na2B4O7
B. Na2,B4O7. 10H2O
C. Na2B3O6. 10H2O
D. Na2B4O7- 5H2O
2 Which of the following are electropositive in nature
A. Alkali metals
B. Alkaline earth metals
C. Halogens
D. Alkali and alkaline earth metals
3 Which is an essential constituent of chlorophyll
A. Be
B. Fe
C. Mg
D. Ca
4 The electrolytic cell used for the production of metallic sodium is known as
A. Down's cell
B. Solvary's cell
C. Haber's cell
D. None of these
5 As a fixing agent in photography, sodium thisoulphate is used for
A. Dissolving out unreacted silver bromide
B. Converting silver
C. Reducing solubility of AgBr
D. Preventing overdeveloping and fogging
6 What is going to replace the petroleum?
A. Silica
B. Silicates
C. Silicones
D. Silicon
7 Which of the following element is most reactive
A. Li
B. Na
C. K
D. Cs
8 S-block elements consist of
A. Alkali metals
B. Alkaline earth metals
C. Alkali and alkaline earth metals
D. None of these
9 Which of the following is formed by the action of water on sodium peroxide?
A. H2
B. N2
C. O2
D. CO2
10 Solvay process is used in the manufacture of
A. Na2CO3
B. NaHCO3
C. CaCl2
D. All

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