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 element among the following belongs to Group IV-A of the periodic table?

Question # 2

The chemical formula of gypsum is

Question # 3

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

Question # 4

Which one of the following is not an alkali metal

Question # 5

Density of aluminium is (g cm-3):

Question # 6

Which salt is used for preserving food

Question # 7

Which of the following oxides is peroxide?

Question # 8

Plaster of pares is obtained by heating

Question # 9

Which has soapy touch?

Question # 10

Which of the following fluorides does not exists?

Question # 11

Orthophosphoric acid is

Question # 12

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

Question # 13

Which of all following compound is not possible

Question # 14

The acid used in lead storage cells is

Question # 15

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

Question # 16

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

Question # 17

Which is litharge or massicot?

Question # 18

Which of the following statement is not related to Solvay's process of Na2CO3

Question # 19

Identify the incorrect statement with respect to ozone

Question # 20

All the elements of oxygen family are

Question # 21

Which of the following is not the reactions of lithium

Question # 22

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

Question # 23

Alkali metals react violently with halogens to form

Question # 24

The chemical formula of chile salt peter is

Question # 25

Which element has highest oxidation potential

Question # 26

Carbonates of alkali metals dissolves freely in water to form

Question # 27

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

Question # 28

Baking powder has which one of the following formula

Question # 29

Hypo is used in photography for

Question # 30

Boric acid cannot be used:

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of the following elements is most metallic?
A. P
B. As
C. Sb
D. Bi
2 The most acidic of the following compounds is
A. P2O3
B. Sb2O3
C. B2O3
D. As2O3
3 Sodium should be stored in
A. Air free from moisture
B. Air free form carbon dioxide
C. Under water
D. Under kerosene oil
4 Where lime is not used
A. In refining or metals
B. In paper industry
C. In glass industry
D. In the preparation of NaOH
5 Copper oxide is dedected by borax bead test with colour:
A. Blue
B. Red
C. Yellow
D. Black
6 Which carbonate of alkali metals is insoluble in water
A. Na2CO3
B. K2CO3
C. Li2CO3
D. Cs2CO3
7 The element caesium bears resemblance with
A. Ca
B. Cr
C. Rubidium
D. None of the above
8 Which of the following statement is not related to Solvay's process of Na2CO3
A. Cheap materials
B. Pure product
C. Continuous process
D. Harmful by-products
9 Gypsum is a common mineral of
A. Magnesium
B. Strontium
C. Calcium
D. Barium
10 Dipole moment of CO molecule is:
A. 0.0
B. 1.112 D
C. 0.112 D
D. 2.112 D

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