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

Sodium hexametaphophate is known as

Question # 2

Which will have the maximum value of heat of hydration

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

A compound used as eye wash:

Question # 7

Sodium is never found free in nature because of its

Question # 8

Bond angle is minimum for

Question # 9

Which of the following is lighter

Question # 10

Permonosulphuric acid is known as

Question # 11

Which shows maximum catenation property?

Question # 12

Where lime is not used

Question # 13

What causes nitrogen to be chemically inert?

Question # 14

The chemical formula of Trona is

Question # 15

Which of the following sulphates is not soluble in water

Question # 16

Tincal is a mineral of:

Question # 17

The chemical formula of chile salt peter is

Question # 18

______ gives peroxide

Question # 19

Oleum is

Question # 20

Which salt is used for the treatment of hyperacidity in stomach

Question # 21

Commercial common salt becomes slight damp on storing because

Question # 22

Which of the following is acidic?

Question # 23

Which of the following elements is most metallic?

Question # 24

White phosphorus is

Question # 25

The alkali metals form

Question # 26

Which colour is imparted by sodium

Question # 27

Carbonates of alkali metals dissolves freely in water to form

Question # 28

Which one of the following elements occurs free in nature?

Question # 29

The ore CaSO42H2O has the general name

Question # 30

S-block elements consist of

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which one of the following is not an alkali metal
A. Francium
B. Caesium
C. Rubidium
D. Radium
2 Which salt is used for the treatment of hyperacidity in stomach
A. NaCl
B. KCl
C. NaHCO3
D. Na2CO3
3 Which of the following is not the reactions of lithium
4 Where lime is not used
A. In refining or metals
B. In paper industry
C. In glass industry
D. In the preparation of NaOH
5 What causes nitrogen to be chemically inert?
A. Multiple bond formation in the molecule
B. Absence of bond distance
C. Short internuclear distance
D. High bond energy
6 Which is not the form of silica?
A. Amethyst quatz
B. Rose quatz
C. Smoky
D. None of these
7 Bond angle is minimum for
A. H2O
B. H2S
C. H2Se
D. H2Te
8 Which of the following elements is not present abundantly in earth's crust?
A. Silicon
B. Aluminium
C. Sodium
D. Oxygen
9 Alkaline earth metals posses two electrons in their outermost
A. F-orbital
B. D-orbital
C. S-orbital
D. P-orbital
10 Red P can be obtained form white P by
A. Heating it with a catalyst in an inert atmosphere
B. Distilling it in an inert atmosphere
C. Dissolving it in CS2and crysllizing
D. Melting it ad pouring the liquid into water

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