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

NaHCO3is commonly called

Question # 2

______ is used in breathing equipments for mountaineers and in space craft

Question # 3

Which on of the following compounds does not exist?

Question # 4

Which salt is used for preserving food

Question # 5

Plaster of pares is obtained by heating

Question # 6

The oxide of beryllium is

Question # 7

The acid which has a peroxy linkage is

Question # 8

Which salt is used for the treatment of hyperacidity in stomach

Question # 9

The acid used in lead storage cells is

Question # 10

Phosphide ion has the electronic structure similar to that of

Question # 11

Identify the incorrect statement with respect to ozone

Question # 12

In a group IIA from top to bottom as the atomic number increases, there is regular decreases in

Question # 13

Which of the following are electropositive in nature

Question # 14

Polyanion formation is maximum in

Question # 15

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

Question # 16

______ is called milk of magnesia

Question # 17

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

Question # 18

Which one of the following does not belong to alkaline earth metals

Question # 19

Which of the following salt is used as purgative

Question # 20

The most acidic of the following compounds is

Question # 21

Calcium carbide reacts with water to produce

Question # 22

Marble is chemically

Question # 23

Which of the following elements is most metallic?

Question # 24

Basicity of orthoposphoric acid is

Question # 25

Borax is hydrated:

Question # 26

The chemical formula of Trona is

Question # 27

BiCl3on hydrolysis forms a white precipitate of

Question # 28

Which of the following compounds is explosive in nature?

Question # 29

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

Question # 30

What is the formula of asbestos?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 NaHCO3is prepared by
A. Down's process
B. Solvay's process
C. Nelson's process
D. None of these
2 Alkaline earth metals are usually
A. Reducing agent
B. Oxidizing agent
C. Amphoteric
D. Acidic
3 Which is litharge or massicot?
A. PbO
B. Pb2O
C. Pb3O4
D. PbO2
4 The maximum number of electrons in the outermost shall of s-black elements is
A. One
B. Two
C. Three
D. Four
5 The oxide of beryllium is
A. Acidic
B. Amphoteric
C. Superoxide
D. Basic
6 Which of the following phosphorus is most reactive?
A. Red phosphorus
B. White phosphorus
C. Scrlet phosphorus
D. Violet phosphorous
7 Hybridized in carbon is:
A. sp
B. sp2
C. sp3
D. d2sp
8 Pb has inert pair of electrons:
A. One
B. Two
C. Three
D. Four
9 Solvay process is used in the manufacture of
A. Na2CO3
B. NaHCO3
C. CaCl2
D. All
10 The silver bromide in hypo (Na2S2O3) solution is
A. Soluble
B. Not soluble
C. Precipitated
D. Not effect

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