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

The structure of white phosphorus is

Question # 2

Which will have the maximum value of heat of hydration

Question # 3

Which shows maximum catenation property?

Question # 4

Which of the following is lighter

Question # 5

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

Question # 6

Silicon atom is hybridized:

Question # 7

NaHCO3is commonly called

Question # 8

In the earth crust sodium is

Question # 9

Boric acid cannot be used:

Question # 10

Chief ore of aluminium is:

Question # 11

Which of all following compound is not possible

Question # 12

Which of the following elements is not present abundantly in earth's crust?

Question # 13

Which one of the following pentafluorides cannot be formed?

Question # 14

Sodium should be stored in

Question # 15

P2O5is heated with water to give

Question # 16

The chemical formula of Epson salt is

Question # 17

Which element form group 15 gives most basic compound with hydrogen?

Question # 18

Sulphuric acid reacts with PCl5to give

Question # 19

Which of the following sulphates has the highest solubility in water

Question # 20

The number of electron that are paired in oxygen molecule are

Question # 21

Which has soapy touch?

Question # 22

Basicity of orthoposphoric acid is

Question # 23

What is going to replace the petroleum?

Question # 24

What causes nitrogen to be chemically inert?

Question # 25

Which of the following salt is soluble in water

Question # 26

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

Question # 27

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

Question # 28

Hypo is used in photography for

Question # 29

Which metal of Group-II A of the periodic Table, will form the least ionic chloride

Question # 30

Crystalline form of sulphur stable at room temperature is

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Ozone is not
A. An allotrope
B. A powerful oxidizing agent
C. Paramagnetic
D. A bent molecule
2 Where lime is not used
A. In refining or metals
B. In paper industry
C. In glass industry
D. In the preparation of NaOH
3 What causes nitrogen to be chemically inert?
A. Multiple bond formation in the molecule
B. Absence of bond distance
C. Short internuclear distance
D. High bond energy
4 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
5 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
6 Gypsum is applied to the soil to provide calcium and
A. Oxygen
B. Nitrogen
C. Phosphorous
D. Sulphur
7 Al is the most element in earth crust:
A. O
B. Si
C. Al
D. Pb
8 The silver bromide in hypo (Na2S2O3) solution is
A. Soluble
B. Not soluble
C. Precipitated
D. Not effect
9 Which salt is used for preserving food
A. BaCl2
B. CaCl2
C. NaCl
D. Na2SO4
10 Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly

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