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 will have the maximum value of heat of hydration

Question # 2

______ gives peroxide

Question # 3

Which of the following oxides is peroxide?

Question # 4

Sodium is manufacture by the electrolysis of fused sodium chloride and not from an aqueous solution of sodium chloride because

Question # 5

Heavy water is obtained by

Question # 6

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

Question # 7

Density of aluminium is (g cm-3):

Question # 8

Hybridized in carbon is:

Question # 9

The formula of lime stone is

Question # 10

Phosphide ion has the electronic structure similar to that of

Question # 11

Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly

Question # 12

Which element forms an iron with charge 3+?

Question # 13

Carbonates of alkali metals dissolves freely in water to form

Question # 14

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

Question # 15

______ reacts with alkalis to give hydrogen

Question # 16

The chemical formula of Trona is

Question # 17

Which of the following element is most reactive

Question # 18

Solvay process is used in the manufacture of

Question # 19

Aluminium oxide is:

Question # 20

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

Question # 21

Pb has inert pair of electrons:

Question # 22

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

Question # 23

The most acidic of the following compounds is

Question # 24

In the earth crust sodium is

Question # 25

NaHCO3is prepared by

Question # 26

______ is called milk of magnesia

Question # 27

White phosphorus is

Question # 28

Calcium carbide reacts with water to produce

Question # 29

Lithium reacts with air to form

Question # 30

Boric acid cannot be used:

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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 Gypsum is applied to the soil to provide calcium and
A. Oxygen
B. Nitrogen
C. Phosphorous
D. Sulphur
3 Oleum is
A. Castor oil
B. Oil of vitriol
C. Fuming of H2SO4
D. None of them
4 Permonosulphuric acid is known as
A. Marshall's acid
B. Carlo's acid
C. Sulphuric acid
D. None of these
5 Sodium forms largely
A. Normal oxides
B. Per-oxides
C. Superoxides
D. None of these
6 The element which has a simple cubic lattice in solid state is
A. Se
B. Te
C. Po
D. None of these
7 Phosphorus pentoxide finds use as
A. An oxidizing agent
B. A reducing agent
C. A bleaching agent
D. A dehydrating agent
8 The chemical formula of Trona is
A. KCl . MgCl2. 6H2O
B. Na2CO3. 2NaHCO3. 2H2O
C. Na2CO3. H2O
D. KCl
9 Tincal is a mineral of:
A. Al
B. B
C. Si
D. C
10 Hybridized in oxygen is:
A. sp
B. sp2
C. sp3
D. dsp3

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