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 element among the following belongs to Group IV-A of the periodic table?

Question # 2

As a fixing agent in photography, sodium thisoulphate is used for

Question # 3

Which of the following fluorides does not exists?

Question # 4

______ is called milk of magnesia

Question # 5

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

Question # 6

Heavy water is obtained by

Question # 7

Oleum is

Question # 8

White P when boiled with strong solution of caustic soda produces

Question # 9

Carbonates of alkali metals dissolves freely in water to form

Question # 10

Lime, calcium oxide, is used in agriculture for

Question # 11

What is going to replace the petroleum?

Question # 12

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

Question # 13

When SO2is passed through acidified K2Cr2O7solution

Question # 14

Commercial common salt becomes slight damp on storing because

Question # 15

Which of the following is acidic?

Question # 16

Orthophosphoric acid is

Question # 17

Which of all following compound is not possible

Question # 18

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

Question # 19

Hybridized in oxygen is:

Question # 20

Al is the most element in earth crust:

Question # 21

Density of aluminium is (g cm-3):

Question # 22

Where lime is not used

Question # 23

Which of the following elements is most metallic?

Question # 24

Which property is not present in Al?

Question # 25

______ is used in breathing equipments for mountaineers and in space craft

Question # 26

Boric acid cannot be used:

Question # 27

The chemical formula of Epson salt is

Question # 28

The number of unpaired electrons in the p-subshell of oxygen atom

Question # 29

Phosphine is not obtained by the reaction when

Question # 30

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

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 ______ is used in breathing equipments for mountaineers and in space craft
A. Li2O
B. BeO
C. N2
D. KO2
2 Gypsum is a common mineral of
A. Magnesium
B. Strontium
C. Calcium
D. Barium
3 Which of the following elements is most metallic?
A. P
B. As
C. Sb
D. Bi
4 Density of aluminium is (g cm-3):
A. B
B. Al
C. Si
D. Ge
5 Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly
6 The acid which has a peroxy linkage is
A. Sulphurous acid
B. Pyrosulphuric acid
C. Dithionic acid
D. Caro's acid
7 The alkaline earth elements have in their s-orbital
A. One electron
B. Two electron
C. No electron
D. Three electron
8 Which of the following equations represents the action of heat on NaHCO3
9 White P when boiled with strong solution of caustic soda produces
A. Phosphine
B. Posh acid
C. Phosphorous acid
D. None
10 The electrolytic cell used for the production of metallic sodium is known as
A. Down's cell
B. Solvary's cell
C. Haber's cell
D. None of these

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