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

The structure of white phosphorus is

Question # 2

The number of electron that are paired in oxygen molecule are

Question # 3

What is chrome yellow?

Question # 4

Aluminium oxide is:

Question # 5

______ is used in breathing equipments for mountaineers and in space craft

Question # 6

NaHCO3is commonly called

Question # 7

What is the formula of asbestos?

Question # 8

A compound used as eye wash:

Question # 9

Which one of the following elements occurs free in nature?

Question # 10

The formula of lime stone is

Question # 11

Bond angle is minimum for

Question # 12

Which will have the maximum value of heat of hydration

Question # 13

Where lime is not used

Question # 14

Baking powder has which one of the following formula

Question # 15

Which of the following element is most reactive

Question # 16

Which salt is used for the treatment of hyperacidity in stomach

Question # 17

Which of the following are electropositive in nature

Question # 18

Which of the following is the hardest metal among following

Question # 19

Ozone is not

Question # 20

On alkali and alkaline earth metals down the group, there is decreasing trend in

Question # 21

Sulphuric acid reacts with PCl5to give

Question # 22

BiCl3on hydrolysis forms a white precipitate of

Question # 23

Calcium carbide reacts with water to produce

Question # 24

Boric acid cannot be used:

Question # 25

Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly

Question # 26

The acid which has a peroxy linkage is

Question # 27

Hybridized in oxygen is:

Question # 28

Polyanion formation is maximum in

Question # 29

The chemical formula of Epson salt is

Question # 30

Which of the following is a tetrabasic acid?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Sodium hexametaphophate is known as
A. Calgon
B. Permutite
C. Natalite
D. Nitrolim
2 Chief ore of aluminium is:
A. Na3AIF6
B. Al2O3.2H2O
C. Al2O3
D. Al2O3 .H2O
3 Which of the following equations represents the action of heat on NaHCO3
4 Which will have the maximum value of heat of hydration
A. Na+
B. Cs+
C. Ba+2
D. Mg+2
5 Which of the following is not the reactions of lithium
6 In the earth crust sodium is
A. 2.50%
B. 2.30%
C. 2.40%
D. 3.50%
7 Which element has highest oxidation potential
A. Li
B. Be
C. Ba
D. Ra
8 Chile saltpetre has the chemical formula
A. NaNO3
B. KNO3
C. Na2B4O7
D. Na2CO3H2O
9 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
10 Which of all following compound is not possible

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