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 Trona is

Question # 2

What causes nitrogen to be chemically inert?

Question # 3

Plaster of pares is obtained by heating

Question # 4

The most acidic of the following compounds is

Question # 5

NaHCO3is commonly called

Question # 6

Which of the following salt is used as purgative

Question # 7

Which of the following is not the reactions of lithium

Question # 8

A compound used as eye wash:

Question # 9

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

Question # 10

The chemical formula of magnesite is

Question # 11

Borax is a common mineral of alkali metal sodium. Its formula is

Question # 12

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

Question # 13

Which element form group 15 gives most basic compound with hydrogen?

Question # 14

Which property is not present in Al?

Question # 15

Which of the element is not an alkaline earth metal

Question # 16

Chief ore of aluminium is:

Question # 17

Gypsum is a common mineral of

Question # 18

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

Question # 19

All the following decompose easily on heating to give oxygen except

Question # 20

Sodium is never found free in nature because of its

Question # 21

Which of the following has highest dipole moment?

Question # 22

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

Question # 23

Which of the following is lighter

Question # 24

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

Question # 25

The alkali metals form

Question # 26

Which metal is used in the thermit process because of its activity?

Question # 27

Which on of the following compounds does not exist?

Question # 28

Orthophosphoric acid is

Question # 29

Which salt is used for the treatment of hyperacidity in stomach

Question # 30

Electron affinity of sulphur is

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Sodium should be stored in
A. Air free from moisture
B. Air free form carbon dioxide
C. Under water
D. Under kerosene oil
2 Lime, calcium oxide, is used in agriculture for
A. Adding ca metal in soil
B. Making soil acidic
C. Neutralizing acidic soil
D. Adding oxygen to soil
3 The acid which has a peroxy linkage is
A. Sulphurous acid
B. Pyrosulphuric acid
C. Dithionic acid
D. Caro's acid
4 Pb has inert pair of electrons:
A. One
B. Two
C. Three
D. Four
5 LiOH ______ soluble than NaOH
A. More soluble
B. Less soluble
C. Equally soluble
D. None
6 The element caesium bears resemblance with
A. Ca
B. Cr
C. Rubidium
D. None of the above
7 Which element forms an iron with charge 3+?
A. Berylium
B. Aluminium
C. Carbon
D. Silicon
8 Each of the following is true of white and red phosphours except that they
A. Are both soluble in CS2
B. Can be oxidized by heating in air
C. Consist of the same kind of atoms
D. Can be converted into one another
9 Which element among the following belongs to Group IV-A of the periodic table?
A. Barium
B. Iodine
C. Lead
D. Oxygen
10 Which of the following sulphates is not soluble in water
A. Sodium sulphate
B. Potassium sulphate
C. Zinc sulphate
D. Barium sulphate

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