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

Which metal is used in the thermit process because of its activity?

Question # 2

The ore CaSO42H2O has the general name

Question # 3

Boric acid cannot be used:

Question # 4

Which of the following phosphorus is most reactive?

Question # 5

HNO2acts as an/a

Question # 6

Identify the incorrect statement with respect to ozone

Question # 7

Which will have the maximum value of heat of hydration

Question # 8

Alkaline earth metals posses two electrons in their outermost

Question # 9

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

Question # 10

Which salt is used for the treatment of hyperacidity in stomach

Question # 11

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

Question # 12

Baking powder has which one of the following formula

Question # 13

Lithium reacts with air to form

Question # 14

Which shows maximum catenation property?

Question # 15

Commercial common salt becomes slight damp on storing because

Question # 16

Basicity of orthoposphoric acid is

Question # 17

Al is the most element in earth crust:

Question # 18

Density of aluminium is (g cm-3):

Question # 19

Which of the following elements is most metallic?

Question # 20

Which of the following salt is used as purgative

Question # 21

Alkali metals react violently with halogens to form

Question # 22

All the elements of oxygen family are

Question # 23

Which one of the following pentafluorides cannot be formed?

Question # 24

What is going to replace the petroleum?

Question # 25

Phosphine is not obtained by the reaction when

Question # 26

Sulphuric acid has great affinity for water because

Question # 27

Which of the following element is most reactive

Question # 28

The chemical formula of magnesite is

Question # 29

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

Question # 30

Which of the following is acidic?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which electronic configuration corresponds to an element of Group ||Z-A of the periodic table?
A. 1s, 2s2, 2p6, 3s2, 3p6, 4s2
B. 1s2 , 2s2 , 2p6 , 3s2, 3p1
C. 1s2, 2s2, 2p6
D. 1s2, 2s2, 2p6, 3s2, 3p3
2 Which element form group 15 gives most basic compound with hydrogen?
A. Nitrogen
B. Bismuth
C. Arsenic
D. Phosphorus
3 Permonosulphuric acid is known as
A. Marshall's acid
B. Carlo's acid
C. Sulphuric acid
D. None of these
4 Which is litharge or massicot?
A. PbO
B. Pb2O
C. Pb3O4
D. PbO2
5 When sulphur is boiled with Na2SO3solution, the compound formed is
A. Sodium sulphides
B. Sodiums sulphates
C. Sodium persulphate
D. Sodium thiosulphate
6 Which of the following is lighter
A. Li
B. k
C. Na
D. Ca
7 Lime, calcium oxide, is used in agriculture for
A. Adding ca metal in soil
B. Making soil acidic
C. Neutralizing acidic soil
D. Adding oxygen to soil
8 Which of the following are electropositive in nature
A. Alkali metals
B. Alkaline earth metals
C. Halogens
D. Alkali and alkaline earth metals
9 The most acidic of the following compounds is
A. P2O3
B. Sb2O3
C. B2O3
D. As2O3
10 The formula of lime stone is
A. CaCl2
B. MgCO3
C. Na2CO3
D. CaCO3

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