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

Which of all following compound is not possible

Question # 2

In the earth crust sodium is

Question # 3

Where lime is not used

Question # 4

Electron affinity of sulphur is

Question # 5

The structure of white phosphorus is

Question # 6

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

Question # 7

Boric acid cannot be used:

Question # 8

Which on of the following compounds does not exist?

Question # 9

Chief ore of aluminium is:

Question # 10

S-block elements consist of

Question # 11

Alkaline earth metals posses two electrons in their outermost

Question # 12

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

Question # 13

Oleum is

Question # 14

BiCl3on hydrolysis forms a white precipitate of

Question # 15

Solvay process is used in the manufacture of

Question # 16

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

Question # 17

Which of the following element is most reactive

Question # 18

The most acidic of the following compounds is

Question # 19

Basicity of orthoposphoric acid is

Question # 20

Pb has inert pair of electrons:

Question # 21

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

Question # 22

Which salt is used for preserving food

Question # 23

Which of the element is not an alkaline earth metal

Question # 24

What causes nitrogen to be chemically inert?

Question # 25

Which element forms an iron with charge 3+?

Question # 26

Which of the following is the hardest metal among following

Question # 27

The metal with highest electrical resistance at room temperature is

Question # 28

When SO2is passed through acidified K2Cr2O7solution

Question # 29

Hybridized in carbon is:

Question # 30

P2O5is heated with water to give

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of the following form normal oxide
A. K
B. Li
C. Na
D. None
2 Gypsum is a common mineral of
A. Magnesium
B. Strontium
C. Calcium
D. Barium
3 Sulphuric acid reacts with PCl5to give
A. Thionyl chloride
B. Sulphur monochloride
C. Sulphuryl chloride
D. Sulphur tetrachloride
4 Which of the following is acidic?
A. SO3
B. N2O
C. BeO
D. HgO
5 Which of the following salt is used as purgative
A. CaSO4
B. MgSO4
C. BeSO4
D. NaCl
6 Where lime is not used
A. In refining or metals
B. In paper industry
C. In glass industry
D. In the preparation of NaOH
7 The alkali metals form
A. Ionic bond
B. Covalent bond
C. Co-ordinate bond
D. H-bond
8 White phosphorus is
A. A mono atomic gas
B. P4, a tetrahedral solid
C. P8, a crown
D. A linear diatomic molecule
9 The oxidation number of each element of group l-A is
A. 0
B. +1
C. +2
D. -1
10 Plaster of pares is obtained by heating
A. Gypsum
B. Epsom
C. Lime stone
D. Dolomite

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