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 is an essential constituent of chlorophyll

Question # 2

Which is used to remove air bubbles form metals?

Question # 3

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

Question # 4

Which of the following equations represents the action of heat on NaHCO3

Question # 5

Which of the following phosphorus is most reactive?

Question # 6

Which of the element is not an alkaline earth metal

Question # 7

Sodium hexametaphophate is known as

Question # 8

A compound used as eye wash:

Question # 9

Which of the following salt is used as purgative

Question # 10

Phosphine is not obtained by the reaction when

Question # 11

The electrolytic cell used for the production of metallic sodium is known as

Question # 12

Which is not the form of silica?

Question # 13

Red P can be obtained form white P by

Question # 14

Marble is chemically

Question # 15

P2O5is heated with water to give

Question # 16

What is going to replace the petroleum?

Question # 17

Which one of the following elements occurs free in nature?

Question # 18

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 # 19

The alkaline earth elements have in their s-orbital

Question # 20

The chemical formula of Epson salt is

Question # 21

Al is the most element in earth crust:

Question # 22

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

Question # 23

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 # 24

Which element forms an iron with charge 3+?

Question # 25

Aluminium oxide is:

Question # 26

______ is called milk of magnesia

Question # 27

Sodium is manufacture by the electrolysis of fused sodium chloride and not from an aqueous solution of sodium chloride because

Question # 28

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

Question # 29

Commercial common salt becomes slight damp on storing because

Question # 30

Chile saltpetre has the chemical formula

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The number of unpaired electrons in the p-subshell of oxygen atom
A. 1
B. 2
C. 3
D. 4
2 The chemical formula of chile salt peter is
A. Na2CO3
B. KNO3
C. NaNO3
D. NaNO2
3 The oxidation number of each element of group ll-A is
A. 0
B. +1
C. +2
D. -1
4 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
5 Which of the following compound is industrially prepared by the electrolysis of solution of NaCl
A. Na2CO3
B. NaHCO3
C. NaOH
D. NaOCl
6 Carbonates of alkali metals dissolves freely in water to form
A. Acidic solutions
B. Neutral solution
C. Alkaline solution
D. None of these
7 Which of all following compound is not possible
8 Which of the following salt is soluble in water
A. CaCO3
B. CaSO4
C. MgSO4
D. BaSO4
9 Dipole moment of CO molecule is:
A. 0.0
B. 1.112 D
C. 0.112 D
D. 2.112 D
10 Which of the following equations represents the action of heat on NaHCO3

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