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

Sulphuric acid has great affinity for water because

Question # 2

The element which has a simple cubic lattice in solid state is

Question # 3

Which shows maximum catenation property?

Question # 4

On alkali and alkaline earth metals down the group, there is decreasing trend in

Question # 5

The most acidic of the following compounds is

Question # 6

Commercial common salt becomes slight damp on storing because

Question # 7

Oleum is

Question # 8

______ is called milk of magnesia

Question # 9

Which carbonate of alkali metals is insoluble in water

Question # 10

P2O5is heated with water to give

Question # 11

Down's cell is used to prepare

Question # 12

Alkaline earth metals posses two electrons in their outermost

Question # 13

The number of electron that are paired in oxygen molecule are

Question # 14

What is chrome yellow?

Question # 15

Which of the following is acidic?

Question # 16

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

Question # 17

Which element form group 15 gives most basic compound with hydrogen?

Question # 18

Phosphine is not obtained by the reaction when

Question # 19

Which salt is used for preserving food

Question # 20

Bond angle is minimum for

Question # 21

HNO2acts as an/a

Question # 22

The element caesium bears resemblance with

Question # 23

The alkaline earth elements have in their s-orbital

Question # 24

All the elements of oxygen family are

Question # 25

Phosphorus pentoxide finds use as

Question # 26

The acid used in lead storage cells is

Question # 27

Which salt is used for the treatment of hyperacidity in stomach

Question # 28

Which of the following form normal oxide

Question # 29

The ore CaSO42H2O has the general name

Question # 30

Which of the following elements is most metallic?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Borax is a common mineral of alkali metal sodium. Its formula is
A. Na2B4O7
B. Na2,B4O7. 10H2O
C. Na2B3O6. 10H2O
D. Na2B4O7- 5H2O
2 The electrolytic cell used for the production of metallic sodium is known as
A. Down's cell
B. Solvary's cell
C. Haber's cell
D. None of these
3 Which element has highest oxidation potential
A. Li
B. Be
C. Ba
D. Ra
4 Which of all following compound is not possible
5 Baking powder has which one of the following formula
A. Na2CO3
B. Na2SO4
C. NaHCO3
D. K2CO3
6 Phosphorus pentoxide finds use as
A. An oxidizing agent
B. A reducing agent
C. A bleaching agent
D. A dehydrating agent
7 Red P can be obtained form white P by
A. Heating it with a catalyst in an inert atmosphere
B. Distilling it in an inert atmosphere
C. Dissolving it in CS2and crysllizing
D. Melting it ad pouring the liquid into water
8 Dipole moment of CO molecule is:
A. 0.0
B. 1.112 D
C. 0.112 D
D. 2.112 D
9 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
10 Where lime is not used
A. In refining or metals
B. In paper industry
C. In glass industry
D. In the preparation of NaOH

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