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

BiCl3on hydrolysis forms a white precipitate of

Question # 2

Which one of the following pentafluorides cannot be formed?

Question # 3

When a colourless gas is passed through bromine water only decolourisation takes place the gas is

Question # 4

The formula of lime stone is

Question # 5

Pb has inert pair of electrons:

Question # 6

Sulphuric acid has great affinity for water because

Question # 7

Which of the following form normal oxide

Question # 8

Plaster of pares is obtained by heating

Question # 9

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

Question # 10

Which element forms an iron with charge 3+?

Question # 11

Dipole moment of CO molecule is:

Question # 12

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

Question # 13

NaHCO3is commonly called

Question # 14

Which is used to remove air bubbles form metals?

Question # 15

The number of electron that are paired in oxygen molecule are

Question # 16

Hypo is used in photography for

Question # 17

White P when boiled with strong solution of caustic soda produces

Question # 18

HNO2acts as an/a

Question # 19

Solvay process is used in the manufacture of

Question # 20

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

Question # 21

The acid which has a peroxy linkage is

Question # 22

Polyanion formation is maximum in

Question # 23

Which of the element is not alkali metal

Question # 24

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

Question # 25

What is going to replace the petroleum?

Question # 26

Which of the following is the hardest metal among following

Question # 27

Oleum is

Question # 28

What is the formula of asbestos?

Question # 29

Basicity of orthoposphoric acid is

Question # 30

Sodium should be stored in

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Al is the most element in earth crust:
A. O
B. Si
C. Al
D. Pb
2 Chief ore of aluminium is:
A. Na3AIF6
B. Al2O3.2H2O
C. Al2O3
D. Al2O3 .H2O
3 Alkali metals react violently with halogens to form
A. Hydrides
B. Halides
C. Anyhydrides
D. None of these
4 Which of the following salt is used as purgative
A. CaSO4
B. MgSO4
C. BeSO4
D. NaCl
5 The element which has a simple cubic lattice in solid state is
A. Se
B. Te
C. Po
D. None of these
6 Alkaline earth metals posses two electrons in their outermost
A. F-orbital
B. D-orbital
C. S-orbital
D. P-orbital
7 Which of the following elements is not present abundantly in earth's crust?
A. Silicon
B. Aluminium
C. Sodium
D. Oxygen
8 Aluminium oxide is:
A. Acidic oxide
B. Basic oxide
C. Amphoteric oxided
D. None of these
9 Which has soapy touch?
A. Na2B4O7
B. H3BO3
C. Ca2B6O11
D. HBO2
10 The oxidation number of each element of group ll-A is
A. 0
B. +1
C. +2
D. -1

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