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

Solvay process is used in the manufacture of

Question # 2

The oxidation number of each element of group l-A is

Question # 3

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

Question # 4

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

Question # 5

The chemical formula of Epson salt is

Question # 6

The element caesium bears resemblance with

Question # 7

White phosphorus is

Question # 8

S-block elements consist of

Question # 9

Which shows maximum catenation property?

Question # 10

Which of the following sulphates is not soluble in water

Question # 11

Which of the following has highest dipole moment?

Question # 12

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

Question # 13

In the earth crust sodium is

Question # 14

Alkaline earth metals are usually

Question # 15

Which is litharge or massicot?

Question # 16

Heavy water is obtained by

Question # 17

Which of the following form normal oxide

Question # 18

Which one of the following pentafluorides cannot be formed?

Question # 19

Which of the following is the hardest metal among following

Question # 20

On alkali and alkaline earth metals down the group, there is decreasing trend in

Question # 21

Which one of the following elements occurs free in nature?

Question # 22

Phosphine is not obtained by the reaction when

Question # 23

Hybridized in oxygen is:

Question # 24

The maximum number of electrons in the outermost shall of s-black elements is

Question # 25

Ozone is not

Question # 26

Gypsum is applied to the soil to provide calcium and

Question # 27

Dipole moment of CO molecule is:

Question # 28

Sodium is never found free in nature because of its

Question # 29

Which is not the form of silica?

Question # 30

Which of all following compound is not possible

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of the following compounds is explosive in nature?
A. Phosphorus trichloride
B. Nitrogen trichloride
C. Hyponitrous acid
D. Nitrosyl chloride
2 The chemical formula of chile salt peter is
A. Na2CO3
B. KNO3
C. NaNO3
D. NaNO2
3 Which property is not present in Al?
A. Reacts with acid
B. Reacts with bases
C. Changes litmus paper
D. Changes methyle orange colour
4 Which of the following element is most reactive
A. Li
B. Na
C. K
D. Cs
5 Which of the following is the hardest metal among following
A. Li
B. Na
C. Rb
D. K
6 Down's cell is used to prepare
A. Sodium carbonate
B. Sodium bicarbonate
C. Sodium metal
D. Sodium hydroxide
7 HNO2acts as an/a
A. Acid
B. Oxidizing agent
C. Reducing agent
D. All the three
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 Solvay process is used in the manufacture of
A. Na2CO3
B. NaHCO3
C. CaCl2
D. All
10 What is chrome yellow?
A. Pbo
B. Pb2O
C. PbCrO4
D. Pb3O4

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