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

The number of electron that are paired in oxygen molecule are

Question # 2

The chemical formula of Trona is

Question # 3

Which of the following is acidic?

Question # 4

In the earth crust sodium is

Question # 5

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

Question # 6

Which of the following is the hardest metal among following

Question # 7

What is chrome yellow?

Question # 8

White phosphorus is

Question # 9

What is the formula of asbestos?

Question # 10

Heavy water is obtained by

Question # 11

Which of the following sulphates is not soluble in water

Question # 12

S-block elements consist of

Question # 13

Hypo is used in photography for

Question # 14

Which salt is used for preserving food

Question # 15

The element which has a simple cubic lattice in solid state is

Question # 16

The element caesium bears resemblance with

Question # 17

Alkali metals react violently with halogens to form

Question # 18

Alkaline earth metals are usually

Question # 19

Density of aluminium is (g cm-3):

Question # 20

Down's cell is used to prepare

Question # 21

Sulphuric acid has great affinity for water because

Question # 22

Chemical composition of colemnite is:

Question # 23

The acid used in lead storage cells is

Question # 24

What is going to replace the petroleum?

Question # 25

Which has soapy touch?

Question # 26

The chemical formula of gypsum is

Question # 27

Which carbonate of alkali metals is insoluble in water

Question # 28

Which of the following fluorides does not exists?

Question # 29

Solvay process is used in the manufacture of

Question # 30

Which of the element is not an alkaline earth metal

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 On alkali and alkaline earth metals down the group, there is decreasing trend in
A. m.p.
B. b.p.
C. Ionization potentiall
D. All of these
2 White P when boiled with strong solution of caustic soda produces
A. Phosphine
B. Posh acid
C. Phosphorous acid
D. None
3 Which one of the following does not belong to alkaline earth metals
A. Be
B. Ra
C. Ba
D. Rn
4 Borax is hydrated:
A. Penta
B. Deca
C. Hepta
D. Octa
5 Which element among the following belongs to Group IV-A of the periodic table?
A. Barium
B. Iodine
C. Lead
D. Oxygen
6 The alkaline earth elements have in their s-orbital
A. One electron
B. Two electron
C. No electron
D. Three electron
7 The element caesium bears resemblance with
A. Ca
B. Cr
C. Rubidium
D. None of the above
8 Aluminium oxide is:
A. Acidic oxide
B. Basic oxide
C. Amphoteric oxided
D. None of these
9 Which of the following is the hardest metal among following
A. Li
B. Na
C. Rb
D. K
10 LiOH ______ soluble than NaOH
A. More soluble
B. Less soluble
C. Equally soluble
D. None

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