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

00:00
Question # 1

All the elements of oxygen family are

Question # 2

The alkali metals form

Question # 3

What is the formula of asbestos?

Question # 4

Hybridized in oxygen is:

Question # 5

Chief ore of aluminium is:

Question # 6

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

Question # 7

Silicon atom is hybridized:

Question # 8

Calcium carbide reacts with water to produce

Question # 9

Electron affinity of sulphur is

Question # 10

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

Question # 11

HNO2acts as an/a

Question # 12

Which of all following compound is not possible

Question # 13

Which element forms an iron with charge 3+?

Question # 14

Which metal is used in the thermit process because of its activity?

Question # 15

Chemical composition of colemnite is:

Question # 16

Which of the following salt is used as purgative

Question # 17

Which one of the following is not an alkali metal

Question # 18

Borax is a common mineral of alkali metal sodium. Its formula is

Question # 19

White P when boiled with strong solution of caustic soda produces

Question # 20

Which of the element is not alkali metal

Question # 21

Permonosulphuric acid is known as

Question # 22

Which one of the following properties is not correct for ozone?

Question # 23

Which of the following has highest dipole moment?

Question # 24

Plaster of pares is obtained by heating

Question # 25

Alkaline earth metals posses two electrons in their outermost

Question # 26

Which is not the form of silica?

Question # 27

Which one of the following elements occurs free in nature?

Question # 28

Which property is not present in Al?

Question # 29

Which of the following is the hardest metal among following

Question # 30

Which carbonate of alkali metals is insoluble in water

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Electron affinity of sulphur is
A. More than O and Se
B. More than O but less than Se
C. Less than O but more than Se
D. Equal to O and Se
2 Dipole moment of CO molecule is:
A. 0.0
B. 1.112 D
C. 0.112 D
D. 2.112 D
3 The acid used in lead storage cells is
A. Phosphoric acid
B. Nitric acid
C. Sulphuric acid
D. Hydrochloric acid
4 Which one of the following properties is not correct for ozone?
A. It oxidizes lead sulphides
B. It oxidizes potassium iodide
C. It oxidizes mercury
D. It cannot act as a bleaching agent
5 The acid which has a peroxy linkage is
A. Sulphurous acid
B. Pyrosulphuric acid
C. Dithionic acid
D. Caro's acid
6 ______ reacts with alkalis to give hydrogen
A. Be
B. Mg
C. Ca
D. None
7 Which one of the following is not an alkali metal
A. Francium
B. Caesium
C. Rubidium
D. Radium
8 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
9 Which of the element is not an alkaline earth metal
A. Beryllium
B. Strontium
C. Barium
D. Caesium
10 White phosphorus is
A. A mono atomic gas
B. P4, a tetrahedral solid
C. P8, a crown
D. A linear diatomic molecule

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