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

Chemical composition of colemnite is:

Question # 2

Which of the following oxides is peroxide?

Question # 3

Which is not the form of silica?

Question # 4

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 # 5

Which electronic configuration corresponds to an element of Group ||Z-A of the periodic table?

Question # 6

The acid used in lead storage cells is

Question # 7

Sodium hexametaphophate is known as

Question # 8

A compound used as eye wash:

Question # 9

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

Question # 10

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

Question # 11

Which of the following is not the reactions of lithium

Question # 12

Crystalline form of sulphur stable at room temperature is

Question # 13

Sometimes a yellow turbidity appears while passing H2S gas even in the absence of II group radicals. This is because

Question # 14

Down's cell is used to prepare

Question # 15

Ozone is not

Question # 16

Solvay process is used in the manufacture of

Question # 17

______ gives peroxide

Question # 18

Which of the following has highest dipole moment?

Question # 19

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

Question # 20

The acid which has a peroxy linkage is

Question # 21

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 22

Which of the following sulphates is not soluble in water

Question # 23

Phosphide ion has the electronic structure similar to that of

Question # 24

What is the formula of asbestos?

Question # 25

Which of all following compound is not possible

Question # 26

Identify the incorrect statement with respect to ozone

Question # 27

The chemical formula of Trona is

Question # 28

Electron affinity of sulphur is

Question # 29

The chemical formula of magnesite is

Question # 30

When a colourless gas is passed through bromine water only decolourisation takes place the gas is

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 ______ reacts with alkalis to give hydrogen
A. Be
B. Mg
C. Ca
D. None
2 Which of the following elements is not present abundantly in earth's crust?
A. Silicon
B. Aluminium
C. Sodium
D. Oxygen
3 Sulphuric acid reacts with PCl5to give
A. Thionyl chloride
B. Sulphur monochloride
C. Sulphuryl chloride
D. Sulphur tetrachloride
4 Pb has inert pair of electrons:
A. One
B. Two
C. Three
D. Four
5 As a fixing agent in photography, sodium thisoulphate is used for
A. Dissolving out unreacted silver bromide
B. Converting silver
C. Reducing solubility of AgBr
D. Preventing overdeveloping and fogging
6 Tincal is a mineral of:
A. Al
B. B
C. Si
D. C
7 Which of the following salt is used as purgative
A. CaSO4
B. MgSO4
C. BeSO4
D. NaCl
8 Which element form group 15 gives most basic compound with hydrogen?
A. Nitrogen
B. Bismuth
C. Arsenic
D. Phosphorus
9 Al is the most element in earth crust:
A. O
B. Si
C. Al
D. Pb
10 Permonosulphuric acid is known as
A. Marshall's acid
B. Carlo's acid
C. Sulphuric acid
D. None of these

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