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 colour is imparted by sodium

Question # 2

Alkali metals react violently with halogens to form

Question # 3

Basicity of orthoposphoric acid is

Question # 4

Which of the following statement is not related to Solvay's process of Na2CO3

Question # 5

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

Question # 6

Which is litharge or massicot?

Question # 7

Which of the following is a tetrabasic acid?

Question # 8

When SO2is passed through acidified K2Cr2O7solution

Question # 9

Which of the following phosphorus is most reactive?

Question # 10

Which property is not present in Al?

Question # 11

Which of the following is lighter

Question # 12

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 # 13

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

Question # 14

Boric acid cannot be used:

Question # 15

What is going to replace the petroleum?

Question # 16

Ozone is not

Question # 17

What causes nitrogen to be chemically inert?

Question # 18

Which element among the following belongs to Group IV-A of the periodic table?

Question # 19

Sodium forms largely

Question # 20

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 # 21

Potassium superoxide has a use in breathing equipment in space crafts. The balanced equation for the reaction is

Question # 22

Pb has inert pair of electrons:

Question # 23

Orthophosphoric acid is

Question # 24

Which oxide of nitrogen is obtained on heating ammonium nitrate at 250° C?

Question # 25

Calcium carbide reacts with water to produce

Question # 26

CaC2on hydrolysis form

Question # 27

Which of the following oxides is peroxide?

Question # 28

The element caesium bears resemblance with

Question # 29

Hybridized in carbon is:

Question # 30

Hypo is used in photography for

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Al is the most element in earth crust:
A. O
B. Si
C. Al
D. Pb
2 The oxide of beryllium is
A. Acidic
B. Amphoteric
C. Superoxide
D. Basic
3 Orthophosphoric acid is
A. Monobasic
B. Dibasic
C. Tribasic
D. Tetrabasic
4 Each of the following is true of white and red phosphours except that they
A. Are both soluble in CS2
B. Can be oxidized by heating in air
C. Consist of the same kind of atoms
D. Can be converted into one another
5 Which of the following sulphates has the highest solubility in water
A. BaSO4
B. CaSO4
C. MgSO4
D. BeSO4
6 All the elements of oxygen family are
A. Non metals
B. Metalloids
C. Radioactive
D. Polymorphic
7 When SO2is passed through acidified K2Cr2O7solution
A. The solution turns blue
B. The solution is decolourised
C. SO2is reduced
D. Green Cr2(SO4)3is formed
8 A compound used as eye wash:
A. Borax
B. Boric acid
C. Metabolic acid
D. Pyroboric acid
9 Which has soapy touch?
A. Na2B4O7
B. H3BO3
C. Ca2B6O11
D. HBO2
10 What is going to replace the petroleum?
A. Silica
B. Silicates
C. Silicones
D. Silicon

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