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 will have the maximum value of heat of hydration

Question # 2

Density of aluminium is (g cm-3):

Question # 3

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

Question # 4

Oleum is

Question # 5

Which of the following is the hardest metal among following

Question # 6

Chemical composition of colemnite is:

Question # 7

Which of the following salt is used as purgative

Question # 8

Phosphine is not obtained by the reaction when

Question # 9

Basicity of orthoposphoric acid is

Question # 10

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

Question # 11

Calcium carbide reacts with water to produce

Question # 12

The acid which has a peroxy linkage is

Question # 13

Which of the following form normal oxide

Question # 14

The metal with highest electrical resistance at room temperature is

Question # 15

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

Question # 16

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 17

Hypo is used in photography for

Question # 18

LiOH ______ soluble than NaOH

Question # 19

BiCl3on hydrolysis forms a white precipitate of

Question # 20

The chemical formula of Trona is

Question # 21

The structure of white phosphorus is

Question # 22

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

Question # 23

Down's cell is used to prepare

Question # 24

Carbonates of alkali metals dissolves freely in water to form

Question # 25

Which of the following salt is soluble in water

Question # 26

A compound used as eye wash:

Question # 27

______ gives peroxide

Question # 28

Which of the following phosphorus is most reactive?

Question # 29

What is the formula of asbestos?

Question # 30

What is going to replace the petroleum?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which element among the following belongs to Group IV-A of the periodic table?
A. Barium
B. Iodine
C. Lead
D. Oxygen
2 The structure of white phosphorus is
A. Square planar
B. Pyramidal
C. Tetrahedral
D. Trigonal planer
3 The number of electron that are paired in oxygen molecule are
A. 16
B. 12
C. 14
D. 7
4 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
5 Which of the following compound is industrially prepared by the electrolysis of solution of NaCl
A. Na2CO3
B. NaHCO3
C. NaOH
D. NaOCl
6 When SO2is passed through acidified K2Cr2O7solution
A. The solution turns blue
B. The solution is decolourised
C. SO2is reduced
D. Green Cr2(SO4)3is formed
7 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
8 White phosphorus is
A. A mono atomic gas
B. P4, a tetrahedral solid
C. P8, a crown
D. A linear diatomic molecule
9 Gypsum is a common mineral of
A. Magnesium
B. Strontium
C. Calcium
D. Barium
10 Which is used in navigational equipments?
A. B
B. Be
C. Mg
D. Al

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