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 of the following equations represents the action of heat on NaHCO3

Question # 2

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

Question # 3

Which of all following compound is not possible

Question # 4

Which of the following is the hardest metal among following

Question # 5

BiCl3on hydrolysis forms a white precipitate of

Question # 6

Which of the following phosphorus is most reactive?

Question # 7

In the earth crust sodium is

Question # 8

What causes nitrogen to be chemically inert?

Question # 9

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

Question # 10

______ gives peroxide

Question # 11

Corrundam is ore of:

Question # 12

Which one of the following pentafluorides cannot be formed?

Question # 13

Copper oxide is dedected by borax bead test with colour:

Question # 14

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

Question # 15

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

Question # 16

HNO2acts as an/a

Question # 17

The acid which has a peroxy linkage is

Question # 18

Which of the following element is most reactive

Question # 19

Which of the following salt is soluble in water

Question # 20

Permonosulphuric acid is known as

Question # 21

Which of the following sulphates has the highest solubility in water

Question # 22

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

Question # 23

Which will have the maximum value of heat of hydration

Question # 24

The most acidic of the following compounds is

Question # 25

Which element has highest oxidation potential

Question # 26

Which of the element is not an alkaline earth metal

Question # 27

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

Question # 28

Which of the following sulphates is not soluble in water

Question # 29

Sulphuric acid has great affinity for water because

Question # 30

Which one of the following elements occurs free in nature?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The chemical formula of Epson salt is
A. MgSO4
B. MgCl2
C. MgSO4. 7H2O
D. MgCl2. 7H2O
2 Which of the following compound is industrially prepared by the electrolysis of solution of NaCl
A. Na2CO3
B. NaHCO3
C. NaOH
D. NaOCl
3 The maximum number of electrons in the outermost shall of s-black elements is
A. One
B. Two
C. Three
D. Four
4 Which of the following is acidic?
A. SO3
B. N2O
C. BeO
D. HgO
5 Which one of the following does not belong to alkaline earth metals
A. Be
B. Ra
C. Ba
D. Rn
6 The oxide of beryllium is
A. Acidic
B. Amphoteric
C. Superoxide
D. Basic
7 Which of the following elements is not present abundantly in earth's crust?
A. Silicon
B. Aluminium
C. Sodium
D. Oxygen
8 The element which has a simple cubic lattice in solid state is
A. Se
B. Te
C. Po
D. None of these
9 Which is used to remove air bubbles form metals?
A. B
B. Be
C. Mg
D. Al
10 Phosphorus pentoxide finds use as
A. An oxidizing agent
B. A reducing agent
C. A bleaching agent
D. A dehydrating agent

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