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

Alkaline earth metals are usually

Question # 2

Silicon atom is hybridized:

Question # 3

______ gives peroxide

Question # 4

Polyanion formation is maximum in

Question # 5

S-block elements consist of

Question # 6

Sometimes a yellow turbidity appears while passing H2S gas even in the absence of II group radicals. This is because

Question # 7

______ reacts with alkalis to give hydrogen

Question # 8

Which of all following compound is not possible

Question # 9

In the earth crust sodium is

Question # 10

The metal with highest electrical resistance at room temperature is

Question # 11

Aluminium oxide is:

Question # 12

Sodium hexametaphophate is known as

Question # 13

What causes nitrogen to be chemically inert?

Question # 14

Gypsum is applied to the soil to provide calcium and

Question # 15

Which of the element is not alkali metal

Question # 16

Sulphuric acid has great affinity for water because

Question # 17

Which one of the following does not belong to alkaline earth metals

Question # 18

Commercial common salt becomes slight damp on storing because

Question # 19

Which salt is used for preserving food

Question # 20

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

Question # 21

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

Question # 22

Which of the following salt is used as purgative

Question # 23

Which of the element is not an alkaline earth metal

Question # 24

Which of the following is acidic?

Question # 25

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

Question # 26

All the elements of oxygen family are

Question # 27

The ore CaSO42H2O has the general name

Question # 28

Chemical composition of colemnite is:

Question # 29

Red P can be obtained form white P by

Question # 30

A compound used as eye wash:

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which shows maximum catenation property?
A. S
B. Se
C. Te
D. O
2 Sulphuric acid reacts with PCl5to give
A. Thionyl chloride
B. Sulphur monochloride
C. Sulphuryl chloride
D. Sulphur tetrachloride
3 Commercial common salt becomes slight damp on storing because
A. Common salt is hygroscope
B. Common salt contains some impurity, which is hygroscopic
C. Salt in efflorescent
D. Salt is crystalline
4 The oxyacids of phosphorus in which phosphorus has the lowest oxidiation state is
A. Hypophosphorus acid
B. Orthophosphorus acid
C. Pyrophosphorus acid
D. Metaphosphorus acid
5 Which salt is used for preserving food
A. BaCl2
B. CaCl2
C. NaCl
D. Na2SO4
6 Gypsum is a common mineral of
A. Magnesium
B. Strontium
C. Calcium
D. Barium
7 Sodium should be stored in
A. Air free from moisture
B. Air free form carbon dioxide
C. Under water
D. Under kerosene oil
8 Alkaline earth metals are usually
A. Reducing agent
B. Oxidizing agent
C. Amphoteric
D. Acidic
9 Which element among the following belongs to Group IV-A of the periodic table?
A. Barium
B. Iodine
C. Lead
D. Oxygen
10 What is the formula of asbestos?
A. CaMg3(SiO3)4
B. CaSiO3
C. Na2SiO3
D. Mg3H2(SiO3)4

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