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

Alkaline earth metals are usually

Question # 2

The alkaline earth elements have in their s-orbital

Question # 3

What causes nitrogen to be chemically inert?

Question # 4

Boric acid cannot be used:

Question # 5

Solvay process is used in the manufacture of

Question # 6

Which on of the following compounds does not exist?

Question # 7

Which of the following form normal oxide

Question # 8

Which of the following oxides is peroxide?

Question # 9

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

Question # 10

The most acidic of the following compounds is

Question # 11

Which of the following compounds is explosive in nature?

Question # 12

Sodium should be stored in

Question # 13

Marble is chemically

Question # 14

Oleum is

Question # 15

Which of the following is a tetrabasic acid?

Question # 16

Which salt is used for preserving food

Question # 17

Chemical composition of colemnite is:

Question # 18

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 19

______ is called milk of magnesia

Question # 20

Alkali metals react violently with halogens to form

Question # 21

Lime, calcium oxide, is used in agriculture for

Question # 22

The number of electron that are paired in oxygen molecule are

Question # 23

A compound used as eye wash:

Question # 24

Which one of the following does not belong to alkaline earth metals

Question # 25

Al is the most element in earth crust:

Question # 26

The alkali metals form

Question # 27

Which of the following statement is not related to Solvay's process of Na2CO3

Question # 28

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

Question # 29

Silicon atom is hybridized:

Question # 30

Which of the following element is most reactive

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which will have the maximum value of heat of hydration
A. Na+
B. Cs+
C. Ba+2
D. Mg+2
2 Some of the elements of a period show similar behavior with the elements of next group in next period this is called
A. Vertical relationship
B. Oblique relationship
C. Diagonal relationship
D. None
3 Which colour is imparted by sodium
A. Yellow
B. Violet
C. Red
D. Crimson
4 What is going to replace the petroleum?
A. Silica
B. Silicates
C. Silicones
D. Silicon
5 Orthophosphoric acid is
A. Monobasic
B. Dibasic
C. Tribasic
D. Tetrabasic
6 Sodium is manufacture by the electrolysis of fused sodium chloride and not from an aqueous solution of sodium chloride because
A. Sodium chloride does not ionize in the water solution
B. Sodium chloride is not soluble in water
C. Sodium deposited at the cathode may react with water to form sodium hydroxide
D. Electricity does not pass through aqueous NaCl
7 Which of the following sulphates has the highest solubility in water
A. BaSO4
B. CaSO4
C. MgSO4
D. BeSO4
8 Gypsum is applied to the soil to provide calcium and
A. Oxygen
B. Nitrogen
C. Phosphorous
D. Sulphur
9 BiCl3on hydrolysis forms a white precipitate of
A. Bismuthio acid
B. Bismuth oxychloride
C. Bismuth pentachloride
D. Bismuth hydroxide
10 The chemical formula of Epson salt is
A. MgSO4
B. MgCl2
C. MgSO4. 7H2O
D. MgCl2. 7H2O

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