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

The acid used in lead storage cells is

Question # 2

Alkali metals react violently with halogens to form

Question # 3

Which metal of Group-II A of the periodic Table, will form the least ionic chloride

Question # 4

Gypsum is a common mineral of

Question # 5

Which of the following compounds is explosive in nature?

Question # 6

Sulphuric acid has great affinity for water because

Question # 7

S-block elements consist of

Question # 8

The alkali metals form

Question # 9

LiOH ______ soluble than NaOH

Question # 10

Which one of the following is not an alkali metal

Question # 11

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 12

Electron affinity of sulphur is

Question # 13

What causes nitrogen to be chemically inert?

Question # 14

Which colour is imparted by sodium

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

Which is used to remove air bubbles form metals?

Question # 19

Which element has highest oxidation potential

Question # 20

Which is not the form of silica?

Question # 21

HNO2acts as an/a

Question # 22

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

Question # 23

Which of the following equations represents the action of heat on NaHCO3

Question # 24

Polyanion formation is maximum in

Question # 25

All the following decompose easily on heating to give oxygen except

Question # 26

Where lime is not used

Question # 27

Which salt is used for preserving food

Question # 28

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

Question # 29

Which of the following is a tetrabasic acid?

Question # 30

Which of the following are electropositive in nature

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which is litharge or massicot?
A. PbO
B. Pb2O
C. Pb3O4
D. PbO2
2 All the following decompose easily on heating to give oxygen except
A. Lead nitrate
B. Potassium chlorate
C. Mercuric oxide
D. Manganese dioxide
3 What is the formula of asbestos?
A. CaMg3(SiO3)4
B. CaSiO3
C. Na2SiO3
D. Mg3H2(SiO3)4
4 Chemical composition of colemnite is:
A. Ca2B6O11.5H2O
B. CaB4O7 .4 H2O
C. Na2B7O7. 4 H2O
D. CaNaB5O9.8H2O
5 The alkaline earth elements have in their s-orbital
A. One electron
B. Two electron
C. No electron
D. Three electron
6 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
7 Hybridized in carbon is:
A. sp
B. sp2
C. sp3
D. d2sp
8 White phosphorus is
A. A mono atomic gas
B. P4, a tetrahedral solid
C. P8, a crown
D. A linear diatomic molecule
9 The maximum number of electrons in the outermost shall of s-black elements is
A. One
B. Two
C. Three
D. Four
10 Corrundam is ore of:
A. Li
B. Be
C. B
D. Al

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