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

All the following decompose easily on heating to give oxygen except

Question # 2

Gypsum is a common mineral of

Question # 3

Which property is not present in Al?

Question # 4

Dipole moment of CO molecule is:

Question # 5

Which one of the following elements occurs free in nature?

Question # 6

Plaster of pares is obtained by heating

Question # 7

Permonosulphuric acid is known as

Question # 8

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

Question # 9

Which of the following salt is soluble in water

Question # 10

The chemical formula of chile salt peter is

Question # 11

BiCl3on hydrolysis forms a white precipitate of

Question # 12

CaC2on hydrolysis form

Question # 13

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

Question # 14

Crystalline form of sulphur stable at room temperature is

Question # 15

______ reacts with alkalis to give hydrogen

Question # 16

What is going to replace the petroleum?

Question # 17

Lithium reacts with air to form

Question # 18

Pb has inert pair of electrons:

Question # 19

Which of the following is not the reactions of lithium

Question # 20

Alkaline earth metals posses two electrons in their outermost

Question # 21

Silicon atom is hybridized:

Question # 22

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

Question # 23

Chile saltpetre has the chemical formula

Question # 24

Al is the most element in earth crust:

Question # 25

Which has soapy touch?

Question # 26

LiOH ______ soluble than NaOH

Question # 27

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 28

Down's cell is used to prepare

Question # 29

The silver bromide in hypo (Na2S2O3) solution is

Question # 30

______ is called milk of magnesia

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which colour is imparted by sodium
A. Yellow
B. Violet
C. Red
D. Crimson
2 When sulphur is boiled with Na2SO3solution, the compound formed is
A. Sodium sulphides
B. Sodiums sulphates
C. Sodium persulphate
D. Sodium thiosulphate
3 Which of the element is not alkali metal
A. Lithium
B. Rubidium
C. Francium
D. Magnesium
4 Borax is hydrated:
A. Penta
B. Deca
C. Hepta
D. Octa
5 Orthophosphoric acid is
A. Monobasic
B. Dibasic
C. Tribasic
D. Tetrabasic
6 The structure of white phosphorus is
A. Square planar
B. Pyramidal
C. Tetrahedral
D. Trigonal planer
7 ______ gives peroxide
A. Li
B. Ba
C. Sr
D. Be
8 Dipole moment of CO molecule is:
A. 0.0
B. 1.112 D
C. 0.112 D
D. 2.112 D
9 Which salt is used for the treatment of hyperacidity in stomach
A. NaCl
B. KCl
C. NaHCO3
D. Na2CO3
10 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

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