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 is an essential constituent of chlorophyll

Question # 2

The oxide of beryllium is

Question # 3

When ammonia is heated with cupric oxide, a molecule of ammonia will

Question # 4

Lime, calcium oxide, is used in agriculture for

Question # 5

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 6

Which of all following compound is not possible

Question # 7

Which of the following has highest dipole moment?

Question # 8

Which of the following sulphates has the highest solubility in water

Question # 9

Which of the following compounds is explosive in nature?

Question # 10

White phosphorus is

Question # 11

All the following decompose easily on heating to give oxygen except

Question # 12

Sometimes a yellow turbidity appears while passing H2S gas even in the absence of II group radicals. This is because

Question # 13

Where lime is not used

Question # 14

The chemical formula of Epson salt is

Question # 15

Which one of the following pentafluorides cannot be formed?

Question # 16

Which of the element is not an alkaline earth metal

Question # 17

The element caesium bears resemblance with

Question # 18

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

Question # 19

Dipole moment of CO molecule is:

Question # 20

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

Question # 21

Which of the following equations represents the action of heat on NaHCO3

Question # 22

Which element forms an iron with charge 3+?

Question # 23

Electron affinity of sulphur is

Question # 24

Sulphuric acid has great affinity for water because

Question # 25

Chile saltpetre has the chemical formula

Question # 26

The most acidic of the following compounds is

Question # 27

Alkaline earth metals are usually

Question # 28

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 # 29

White P when boiled with strong solution of caustic soda produces

Question # 30

Plaster of pares is obtained by heating

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of the following salt is used as purgative
A. CaSO4
B. MgSO4
C. BeSO4
D. NaCl
2 Which property is not present in Al?
A. Reacts with acid
B. Reacts with bases
C. Changes litmus paper
D. Changes methyle orange colour
3 What causes nitrogen to be chemically inert?
A. Multiple bond formation in the molecule
B. Absence of bond distance
C. Short internuclear distance
D. High bond energy
4 What is chrome yellow?
A. Pbo
B. Pb2O
C. PbCrO4
D. Pb3O4
5 All the following decompose easily on heating to give oxygen except
A. Lead nitrate
B. Potassium chlorate
C. Mercuric oxide
D. Manganese dioxide
6 Some of the elements of a period show similar behavior with the elements of next group in next period this is called
A. Vertical relationship
B. Oblique relationship
C. Diagonal relationship
D. None
7 The element caesium bears resemblance with
A. Ca
B. Cr
C. Rubidium
D. None of the above
8 Which of the following fluorides does not exists?
A. NF5
B. PF5
C. AsF5
D. SbF5
9 The acid which has a peroxy linkage is
A. Sulphurous acid
B. Pyrosulphuric acid
C. Dithionic acid
D. Caro's acid
10 The most acidic of the following compounds is
A. P2O3
B. Sb2O3
C. B2O3
D. As2O3

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