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

00:00
Question # 1

The alkaline earth elements have in their s-orbital

Question # 2

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

Question # 3

______ gives peroxide

Question # 4

Sodium hexametaphophate is known as

Question # 5

Gypsum is applied to the soil to provide calcium and

Question # 6

Orthophosphoric acid is

Question # 7

HNO2acts as an/a

Question # 8

Which of the following is acidic?

Question # 9

Which of the following statement is not related to Solvay's process of Na2CO3

Question # 10

Which colour is imparted by sodium

Question # 11

The acid used in lead storage cells is

Question # 12

Tincal is a mineral of:

Question # 13

Which of the following compounds is explosive in nature?

Question # 14

Lithium reacts with air to form

Question # 15

Sodium is never found free in nature because of its

Question # 16

Which one of the following does not belong to alkaline earth metals

Question # 17

Sulphuric acid has great affinity for water because

Question # 18

Which element has highest oxidation potential

Question # 19

The chemical formula of magnesite is

Question # 20

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

Question # 21

Sodium forms largely

Question # 22

S-block elements consist of

Question # 23

The metal with highest electrical resistance at room temperature is

Question # 24

P2O5is heated with water to give

Question # 25

Which of all following compound is not possible

Question # 26

Which property is not present in Al?

Question # 27

______ is used in breathing equipments for mountaineers and in space craft

Question # 28

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 # 29

In the earth crust sodium is

Question # 30

NaHCO3is prepared by

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The alkali metals form
A. Ionic bond
B. Covalent bond
C. Co-ordinate bond
D. H-bond
2 The structure of white phosphorus is
A. Square planar
B. Pyramidal
C. Tetrahedral
D. Trigonal planer
3 Which of the following compound is industrially prepared by the electrolysis of solution of NaCl
A. Na2CO3
B. NaHCO3
C. NaOH
D. NaOCl
4 Which salt is used for the treatment of hyperacidity in stomach
A. NaCl
B. KCl
C. NaHCO3
D. Na2CO3
5 Solvay process is used in the manufacture of
A. Na2CO3
B. NaHCO3
C. CaCl2
D. All
6 The oxide of beryllium is
A. Acidic
B. Amphoteric
C. Superoxide
D. Basic
7 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
8 Sodium hexametaphophate is known as
A. Calgon
B. Permutite
C. Natalite
D. Nitrolim
9 Gypsum is a common mineral of
A. Magnesium
B. Strontium
C. Calcium
D. Barium
10 The number of electron that are paired in oxygen molecule are
A. 16
B. 12
C. 14
D. 7

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