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

Sulphuric acid has great affinity for water because

Question # 2

Crystalline form of sulphur stable at room temperature is

Question # 3

Group VA of the periodic table consists of the elements N, P, As, Sb and Bi, On passing from N to Bi, the oxides of the elements of general formula M2O3become

Question # 4

Chile saltpetre has the chemical formula

Question # 5

Calcium carbide reacts with water to produce

Question # 6

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

Question # 7

When ammonia is heated with cupric oxide, a molecule of ammonia will

Question # 8

Which shows maximum catenation property?

Question # 9

S-block elements consist of

Question # 10

Which of the following oxides is peroxide?

Question # 11

Al is the most element in earth crust:

Question # 12

Which element forms an iron with charge 3+?

Question # 13

Which of the following compounds is explosive in nature?

Question # 14

NaHCO3is commonly called

Question # 15

The oxide of beryllium is

Question # 16

The number of unpaired electrons in the p-subshell of oxygen atom

Question # 17

The structure of white phosphorus is

Question # 18

What causes nitrogen to be chemically inert?

Question # 19

The chemical formula of Epson salt is

Question # 20

The oxyacids of phosphorus in which phosphorus has the lowest oxidiation state is

Question # 21

Sodium should be stored in

Question # 22

Which of the element is not alkali metal

Question # 23

Which of the following is the hardest metal among following

Question # 24

Silicon atom is hybridized:

Question # 25

Which of the following salt is used as purgative

Question # 26

Alkaline earth metals are usually

Question # 27

Which property is not present in Al?

Question # 28

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

Question # 29

A compound used as eye wash:

Question # 30

Chemical composition of colemnite is:

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of the following fluorides does not exists?
A. NF5
B. PF5
C. AsF5
D. SbF5
2 Which metal is used in the thermit process because of its activity?
A. Iron
B. Copper
C. Alumnium
D. Zinc
3 Which one of the following pentafluorides cannot be formed?
A. PF5
B. AsF5
C. SbF5
D. BiF5
4 HNO2acts as an/a
A. Acid
B. Oxidizing agent
C. Reducing agent
D. All the three
5 Which element among the following belongs to Group IV-A of the periodic table?
A. Barium
B. Iodine
C. Lead
D. Oxygen
6 Which of the following compounds is explosive in nature?
A. Phosphorus trichloride
B. Nitrogen trichloride
C. Hyponitrous acid
D. Nitrosyl chloride
7 What is the formula of asbestos?
A. CaMg3(SiO3)4
B. CaSiO3
C. Na2SiO3
D. Mg3H2(SiO3)4
8 Which of the element is not alkali metal
A. Lithium
B. Rubidium
C. Francium
D. Magnesium
9 Which will have the maximum value of heat of hydration
A. Na+
B. Cs+
C. Ba+2
D. Mg+2
10 Which of the following sulphates has the highest solubility in water
A. BaSO4
B. CaSO4
C. MgSO4
D. BeSO4

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