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

Red P can be obtained form white P by

Question # 2

The electrolytic cell used for the production of metallic sodium is known as

Question # 3

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

Question # 4

When SO2is passed through acidified K2Cr2O7solution

Question # 5

Gypsum is a common mineral of

Question # 6

Lime, calcium oxide, is used in agriculture for

Question # 7

Chile saltpetre has the chemical formula

Question # 8

Corrundam is ore of:

Question # 9

Which of the following compounds is explosive in nature?

Question # 10

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

Question # 11

The chemical formula of chile salt peter is

Question # 12

Which of the following element is most reactive

Question # 13

Silicon atom is hybridized:

Question # 14

Chief ore of aluminium is:

Question # 15

The oxide of beryllium is

Question # 16

Permonosulphuric acid is known as

Question # 17

Borax is hydrated:

Question # 18

The ore CaSO42H2O has the general name

Question # 19

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 20

Phosphide ion has the electronic structure similar to that of

Question # 21

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

Question # 22

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

Question # 23

Commercial common salt becomes slight damp on storing because

Question # 24

Solvay process is used in the manufacture of

Question # 25

Which carbonate of alkali metals is insoluble in water

Question # 26

Lithium reacts with air to form

Question # 27

Which of the following fluorides does not exists?

Question # 28

Which of all following compound is not possible

Question # 29

Which salt is used for the treatment of hyperacidity in stomach

Question # 30

Heavy water is obtained by

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of the following elements is not present abundantly in earth's crust?
A. Silicon
B. Aluminium
C. Sodium
D. Oxygen
2 What is the formula of asbestos?
A. CaMg3(SiO3)4
B. CaSiO3
C. Na2SiO3
D. Mg3H2(SiO3)4
3 Permonosulphuric acid is known as
A. Marshall's acid
B. Carlo's acid
C. Sulphuric acid
D. None of these
4 NaHCO3is prepared by
A. Down's process
B. Solvay's process
C. Nelson's process
D. None of these
5 The alkaline earth elements have in their s-orbital
A. One electron
B. Two electron
C. No electron
D. Three electron
6 Commercial common salt becomes slight damp on storing because
A. Common salt is hygroscope
B. Common salt contains some impurity, which is hygroscopic
C. Salt in efflorescent
D. Salt is crystalline
7 Which element has highest oxidation potential
A. Li
B. Be
C. Ba
D. Ra
8 The chemical formula of chile salt peter is
A. Na2CO3
B. KNO3
C. NaNO3
D. NaNO2
9 Phosphide ion has the electronic structure similar to that of
A. Nitride ion
B. Fluoride ion
C. Sodium ion
D. Chloride ion
10 Bond angle is minimum for
A. H2O
B. H2S
C. H2Se
D. H2Te

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