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

Alkaline earth metals posses two electrons in their outermost

Question # 2

Which on of the following compounds does not exist?

Question # 3

The acid which has a peroxy linkage is

Question # 4

A compound used as eye wash:

Question # 5

Gypsum is applied to the soil to provide calcium and

Question # 6

Crystalline form of sulphur stable at room temperature is

Question # 7

Borax is hydrated:

Question # 8

Which of the following is lighter

Question # 9

Which salt is used for preserving food

Question # 10

The chemical formula of magnesite is

Question # 11

Which of the element is not alkali metal

Question # 12

The chemical formula of gypsum is

Question # 13

Sodium hexametaphophate is known as

Question # 14

Phosphorus pentoxide finds use as

Question # 15

The chemical formula of Trona is

Question # 16

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

Question # 17

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

Question # 18

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

Question # 19

Basicity of orthoposphoric acid is

Question # 20

Hybridized in carbon is:

Question # 21

The oxyacids of phosphorus in which phosphorus has the lowest oxidiation state is

Question # 22

Which of the following is formed by the action of water on sodium peroxide?

Question # 23

Lime, calcium oxide, is used in agriculture for

Question # 24

Calcium carbide reacts with water to produce

Question # 25

Dipole moment of CO molecule is:

Question # 26

P2O5is heated with water to give

Question # 27

What is the formula of asbestos?

Question # 28

S-block elements consist of

Question # 29

Gypsum is a common mineral of

Question # 30

Which of the following oxides is peroxide?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The maximum number of electrons in the outermost shall of s-black elements is
A. One
B. Two
C. Three
D. Four
2 Sulphuric acid reacts with PCl5to give
A. Thionyl chloride
B. Sulphur monochloride
C. Sulphuryl chloride
D. Sulphur tetrachloride
3 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?
A. It will react with water to liberate oxygen
B. Its hydroxide will be a strong alkali in water
C. Its carbonate will decompose on heating to give carbon dioxide
D. Its nitrate on heating will give nitrogen dioxide and oxygen
4 Which is litharge or massicot?
A. PbO
B. Pb2O
C. Pb3O4
D. PbO2
5 Copper oxide is dedected by borax bead test with colour:
A. Blue
B. Red
C. Yellow
D. Black
6 The ore CaSO42H2O has the general name
A. Gypsum
B. Dolomite
C. Calcite
D. Epsom salt
7 Which element form group 15 gives most basic compound with hydrogen?
A. Nitrogen
B. Bismuth
C. Arsenic
D. Phosphorus
8 Gypsum is applied to the soil to provide calcium and
A. Oxygen
B. Nitrogen
C. Phosphorous
D. Sulphur
9 Which of the following oxides is peroxide?
A. Na2O2
B. MnO2
C. BaO
D. SO2
10 Some of the elements of a period show similar behavior with the elements of next group in next period this is called
A. Vertical relationship
B. Oblique relationship
C. Diagonal relationship
D. None

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