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 shows maximum catenation property?

Question # 2

Which salt is used for preserving food

Question # 3

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

Question # 4

Which colour is imparted by sodium

Question # 5

Phosphine is not obtained by the reaction when

Question # 6

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

Question # 7

White P when boiled with strong solution of caustic soda produces

Question # 8

What causes nitrogen to be chemically inert?

Question # 9

Calcium carbide reacts with water to produce

Question # 10

Silicon atom is hybridized:

Question # 11

Sodium should be stored in

Question # 12

The ore CaSO42H2O has the general name

Question # 13

The structure of white phosphorus is

Question # 14

Which of the following form normal oxide

Question # 15

Sodium is never found free in nature because of its

Question # 16

The oxide of beryllium is

Question # 17

Which metal of Group-II A of the periodic Table, will form the least ionic chloride

Question # 18

Lithium reacts with air to form

Question # 19

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

Question # 20

HNO2acts as an/a

Question # 21

All the elements of oxygen family are

Question # 22

Which of the following sulphates is not soluble in water

Question # 23

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 # 24

The chemical formula of chile salt peter is

Question # 25

Which will have the maximum value of heat of hydration

Question # 26

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

Question # 27

Which of all following compound is not possible

Question # 28

Which on of the following compounds does not exist?

Question # 29

The chemical formula of Epson salt is

Question # 30

Chile saltpetre has the chemical formula

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Commercial common salt becomes slight damp on storing because
A. Common salt is hygroscope
B. Common salt contains some impurity, which is hygroscopic
C. Salt in efflorescent
D. Salt is crystalline
2 Which carbonate of alkali metals is insoluble in water
A. Na2CO3
B. K2CO3
C. Li2CO3
D. Cs2CO3
3 Dipole moment of CO molecule is:
A. 0.0
B. 1.112 D
C. 0.112 D
D. 2.112 D
4 The chemical formula of Epson salt is
A. MgSO4
B. MgCl2
C. MgSO4. 7H2O
D. MgCl2. 7H2O
5 Density of aluminium is (g cm-3):
A. B
B. Al
C. Si
D. Ge
6 The number of unpaired electrons in the p-subshell of oxygen atom
A. 1
B. 2
C. 3
D. 4
7 The ore CaSO42H2O has the general name
A. Gypsum
B. Dolomite
C. Calcite
D. Epsom salt
8 Which of the following sulphates has the highest solubility in water
A. BaSO4
B. CaSO4
C. MgSO4
D. BeSO4
9 Phosphorus pentoxide finds use as
A. An oxidizing agent
B. A reducing agent
C. A bleaching agent
D. A dehydrating agent
10 Which element form group 15 gives most basic compound with hydrogen?
A. Nitrogen
B. Bismuth
C. Arsenic
D. Phosphorus

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