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

Dipole moment of CO molecule is:

Question # 2

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

Question # 3

Density of aluminium is (g cm-3):

Question # 4

Polyanion formation is maximum in

Question # 5

Calcium carbide reacts with water to produce

Question # 6

Which one of the following is not an alkali metal

Question # 7

Which metal is used in the thermit process because of its activity?

Question # 8

The chemical formula of Epson salt is

Question # 9

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 10

The structure of white phosphorus is

Question # 11

Commercial common salt becomes slight damp on storing because

Question # 12

What is the formula of asbestos?

Question # 13

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

Question # 14

Which shows maximum catenation property?

Question # 15

Bond angle is minimum for

Question # 16

Which is not the form of silica?

Question # 17

NaHCO3is commonly called

Question # 18

Which element forms an iron with charge 3+?

Question # 19

Which oxide of nitrogen is obtained on heating ammonium nitrate at 250° C?

Question # 20

Sodium forms largely

Question # 21

Red P can be obtained form white P by

Question # 22

Borax is hydrated:

Question # 23

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

Question # 24

Carbonates of alkali metals dissolves freely in water to form

Question # 25

Pb has inert pair of electrons:

Question # 26

Where lime is not used

Question # 27

Which of the following form normal oxide

Question # 28

The alkaline earth elements have in their s-orbital

Question # 29

Phosphorus pentoxide finds use as

Question # 30

Which on of the following compounds does not exist?

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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 The element which has a simple cubic lattice in solid state is
A. Se
B. Te
C. Po
D. None of these
3 Dipole moment of CO molecule is:
A. 0.0
B. 1.112 D
C. 0.112 D
D. 2.112 D
4 Which property is not present in Al?
A. Reacts with acid
B. Reacts with bases
C. Changes litmus paper
D. Changes methyle orange colour
5 Red P can be obtained form white P by
A. Heating it with a catalyst in an inert atmosphere
B. Distilling it in an inert atmosphere
C. Dissolving it in CS2and crysllizing
D. Melting it ad pouring the liquid into water
6 When ammonia is heated with cupric oxide, a molecule of ammonia will
A. Gain 3 electrons
B. Lose 3 electrons
C. Gain 2 electrons
D. Lose 2 electrons
7 Which is used to remove air bubbles form metals?
A. B
B. Be
C. Mg
D. Al
8 Which is used in navigational equipments?
A. B
B. Be
C. Mg
D. Al
9 The chemical formula of chile salt peter is
A. Na2CO3
B. KNO3
C. NaNO3
D. NaNO2
10 Which of the following is the hardest metal among following
A. Li
B. Na
C. Rb
D. K

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