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

Orthophosphoric acid is

Question # 2

Which will have the maximum value of heat of hydration

Question # 3

Which is not the form of silica?

Question # 4

Sulphuric acid reacts with PCl5to give

Question # 5

______ reacts with alkalis to give hydrogen

Question # 6

Which of the following is a tetrabasic acid?

Question # 7

Al is the most element in earth crust:

Question # 8

Solvay process is used in the manufacture of

Question # 9

Which of the following is acidic?

Question # 10

All the following decompose easily on heating to give oxygen except

Question # 11

Lithium reacts with air to form

Question # 12

Which element forms an iron with charge 3+?

Question # 13

______ gives peroxide

Question # 14

Alkali metals react violently with halogens to form

Question # 15

As a fixing agent in photography, sodium thisoulphate is used for

Question # 16

In the earth crust sodium is

Question # 17

Red P can be obtained form white P by

Question # 18

Calcium carbide reacts with water to produce

Question # 19

Sodium hexametaphophate is known as

Question # 20

When SO2is passed through acidified K2Cr2O7solution

Question # 21

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

Question # 22

Copper oxide is dedected by borax bead test with colour:

Question # 23

Which property is not present in Al?

Question # 24

Which of the following oxides is peroxide?

Question # 25

Which of the element is not an alkaline earth metal

Question # 26

Heavy water is obtained by

Question # 27

Which has soapy touch?

Question # 28

The most acidic of the following compounds is

Question # 29

Borax is a common mineral of alkali metal sodium. Its formula is

Question # 30

Which one of the following is not an alkali metal

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Aluminium oxide is:
A. Acidic oxide
B. Basic oxide
C. Amphoteric oxided
D. None of these
2 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
3 Electron affinity of sulphur is
A. More than O and Se
B. More than O but less than Se
C. Less than O but more than Se
D. Equal to O and Se
4 ______ is called milk of magnesia
A. NaOH
B. KOH
C. LiOH
D. None
5 The number of electron that are paired in oxygen molecule are
A. 16
B. 12
C. 14
D. 7
6 Which of all following compound is not possible
7 The formula of lime stone is
A. CaCl2
B. MgCO3
C. Na2CO3
D. CaCO3
8 Density of aluminium is (g cm-3):
A. B
B. Al
C. Si
D. Ge
9 The alkaline earth elements have in their s-orbital
A. One electron
B. Two electron
C. No electron
D. Three electron
10 Which metal of Group-II A of the periodic Table, will form the least ionic chloride
A. Be
B. Mg
C. Ca
D. Sr

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