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 of the following is not the reactions of lithium

Question # 2

Which of the following oxides is peroxide?

Question # 3

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

Question # 4

Chief ore of aluminium is:

Question # 5

Sodium hexametaphophate is known as

Question # 6

Which of the following sulphates is not soluble in water

Question # 7

Which element forms an iron with charge 3+?

Question # 8

Where lime is not used

Question # 9

Sulphuric acid reacts with PCl5to give

Question # 10

Alkali metals react violently with halogens to form

Question # 11

Which one of the following is not an alkali metal

Question # 12

Basicity of orthoposphoric acid is

Question # 13

Identify the incorrect statement with respect to ozone

Question # 14

Sodium is never found free in nature because of its

Question # 15

Which of the element is not alkali metal

Question # 16

In the earth crust sodium is

Question # 17

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

Question # 18

______ is called milk of magnesia

Question # 19

Phosphine is not obtained by the reaction when

Question # 20

Which will have the maximum value of heat of hydration

Question # 21

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

Question # 22

Which of the following are electropositive in nature

Question # 23

BiCl3on hydrolysis forms a white precipitate of

Question # 24

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

Question # 25

What causes nitrogen to be chemically inert?

Question # 26

Gypsum is applied to the soil to provide calcium and

Question # 27

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

Question # 28

Hybridized in oxygen is:

Question # 29

Each of the following is true of white and red phosphours except that they

Question # 30

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

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which element among the following belongs to Group IV-A of the periodic table?
A. Barium
B. Iodine
C. Lead
D. Oxygen
2 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
A. Stronger reducing agents
B. More ionic
C. More basic
D. More volatile
3 Alkali metals react violently with halogens to form
A. Hydrides
B. Halides
C. Anyhydrides
D. None of these
4 Pb has inert pair of electrons:
A. One
B. Two
C. Three
D. Four
5 BiCl3on hydrolysis forms a white precipitate of
A. Bismuthio acid
B. Bismuth oxychloride
C. Bismuth pentachloride
D. Bismuth hydroxide
6 Which of the following sulphates is not soluble in water
A. Sodium sulphate
B. Potassium sulphate
C. Zinc sulphate
D. Barium sulphate
7 Which oxide of nitrogen is obtained on heating ammonium nitrate at 250° C?
A. Nitric oxide
B. Nitrous oxide
C. Nitrogen dioxide
D. Dinitrogen tetraoxide
8 Al is the most element in earth crust:
A. O
B. Si
C. Al
D. Pb
9 ______ gives peroxide
A. Li
B. Ba
C. Sr
D. Be
10 Which is litharge or massicot?
A. PbO
B. Pb2O
C. Pb3O4
D. PbO2

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