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

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

Question # 2

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

Question # 3

Crystalline form of sulphur stable at room temperature is

Question # 4

In a group IIA from top to bottom as the atomic number increases, there is regular decreases in

Question # 5

Sulphuric acid reacts with PCl5to give

Question # 6

Sodium is never found free in nature because of its

Question # 7

Which of the following salt is used as purgative

Question # 8

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

Question # 9

Oleum is

Question # 10

Boric acid cannot be used:

Question # 11

Francium is an element at the bottom of Group I in the Periodic Table. Which one of the following predication is likely to be correct?

Question # 12

White P when boiled with strong solution of caustic soda produces

Question # 13

Commercial common salt becomes slight damp on storing because

Question # 14

Each of the following is true of white and red phosphours except that they

Question # 15

Bond angle is minimum for

Question # 16

Chemical composition of colemnite is:

Question # 17

Baking powder has which one of the following formula

Question # 18

Phosphide ion has the electronic structure similar to that of

Question # 19

Hybridized in oxygen is:

Question # 20

The formula of lime stone is

Question # 21

Which salt is used for the treatment of hyperacidity in stomach

Question # 22

Lime, calcium oxide, is used in agriculture for

Question # 23

Which element has highest oxidation potential

Question # 24

Which property is not present in Al?

Question # 25

Which of the following compounds is explosive in nature?

Question # 26

White phosphorus is

Question # 27

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

Question # 28

Marble is chemically

Question # 29

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 30

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

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of the following statement is not related to Solvay's process of Na2CO3
A. Cheap materials
B. Pure product
C. Continuous process
D. Harmful by-products
2 Which of the following is lighter
A. Li
B. k
C. Na
D. Ca
3 Which of the following form normal oxide
A. K
B. Li
C. Na
D. None
4 Which element forms an iron with charge 3+?
A. Berylium
B. Aluminium
C. Carbon
D. Silicon
5 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
6 Orthophosphoric acid is
A. Monobasic
B. Dibasic
C. Tribasic
D. Tetrabasic
7 Phosphide ion has the electronic structure similar to that of
A. Nitride ion
B. Fluoride ion
C. Sodium ion
D. Chloride ion
8 Sulphuric acid has great affinity for water because
A. It hydrolyses the acid
B. It decomposes the acid
C. Acid forms hydrates with water
D. Acid decomposes water
9 The alkali metals form
A. Ionic bond
B. Covalent bond
C. Co-ordinate bond
D. H-bond
10 Baking powder has which one of the following formula
A. Na2CO3
B. Na2SO4
C. NaHCO3
D. K2CO3

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