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 form normal oxide

Question # 3

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

Question # 4

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

Question # 5

Solvay process is used in the manufacture of

Question # 6

Electron affinity of sulphur is

Question # 7

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

Question # 8

A compound used as eye wash:

Question # 9

Permonosulphuric acid is known as

Question # 10

Which salt is used for preserving food

Question # 11

The acid used in lead storage cells is

Question # 12

Which is litharge or massicot?

Question # 13

Which is not the form of silica?

Question # 14

What is the formula of asbestos?

Question # 15

Carbonates of alkali metals dissolves freely in water to form

Question # 16

Which of the following element is most reactive

Question # 17

Phosphide ion has the electronic structure similar to that of

Question # 18

White phosphorus is

Question # 19

Lime, calcium oxide, is used in agriculture for

Question # 20

Which of the following is formed by the action of water on sodium peroxide?

Question # 21

P2O5is heated with water to give

Question # 22

The chemical formula of gypsum is

Question # 23

Which of the following fluorides does not exists?

Question # 24

The chemical formula of chile salt peter is

Question # 25

All the elements of oxygen family are

Question # 26

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 # 27

Boric acid cannot be used:

Question # 28

Which one of the following elements occurs free in nature?

Question # 29

______ reacts with alkalis to give hydrogen

Question # 30

Which of the following is lighter

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which on of the following compounds does not exist?
A. NCl5
B. AsF5
C. SbCl5
D. PF5
2 HNO2acts as an/a
A. Acid
B. Oxidizing agent
C. Reducing agent
D. All the three
3 Which colour is imparted by sodium
A. Yellow
B. Violet
C. Red
D. Crimson
4 The oxidation number of each element of group l-A is
A. 0
B. +1
C. +2
D. -1
5 White P when boiled with strong solution of caustic soda produces
A. Phosphine
B. Posh acid
C. Phosphorous acid
D. None
6 Which is not the form of silica?
A. Amethyst quatz
B. Rose quatz
C. Smoky
D. None of these
7 The formula of lime stone is
A. CaCl2
B. MgCO3
C. Na2CO3
D. CaCO3
8 The acid used in lead storage cells is
A. Phosphoric acid
B. Nitric acid
C. Sulphuric acid
D. Hydrochloric acid
9 Copper oxide is dedected by borax bead test with colour:
A. Blue
B. Red
C. Yellow
D. Black
10 All the elements of oxygen family are
A. Non metals
B. Metalloids
C. Radioactive
D. Polymorphic

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