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

BiCl3on hydrolysis forms a white precipitate of

Question # 2

Boric acid cannot be used:

Question # 3

Which will have the maximum value of heat of hydration

Question # 4

Alkaline earth metals are usually

Question # 5

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

Question # 6

Group VA of the periodic table consists of the elements N, P, As, Sb and Bi, On passing from N to Bi, the oxides of the elements of general formula M2O3become

Question # 7

Which of the following fluorides does not exists?

Question # 8

Which salt is used for the treatment of hyperacidity in stomach

Question # 9

Which of the following is not the reactions of lithium

Question # 10

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

Question # 11

Sodium is manufacture by the electrolysis of fused sodium chloride and not from an aqueous solution of sodium chloride because

Question # 12

The formula of lime stone is

Question # 13

Which of the element is not alkali metal

Question # 14

Sodium forms largely

Question # 15

Aluminium oxide is:

Question # 16

The number of unpaired electrons in the p-subshell of oxygen atom

Question # 17

Which of the following element is most reactive

Question # 18

HNO2acts as an/a

Question # 19

The acid which has a peroxy linkage is

Question # 20

Lithium reacts with air to form

Question # 21

Plaster of pares is obtained by heating

Question # 22

The ore CaSO42H2O has the general name

Question # 23

NaHCO3is commonly called

Question # 24

Carbonates of alkali metals dissolves freely in water to form

Question # 25

Which has soapy touch?

Question # 26

The maximum number of electrons in the outermost shall of s-black elements is

Question # 27

Phosphide ion has the electronic structure similar to that of

Question # 28

CaC2on hydrolysis form

Question # 29

Phosphine is not obtained by the reaction when

Question # 30

Lime, calcium oxide, is used in agriculture for

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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 Which has soapy touch?
A. Na2B4O7
B. H3BO3
C. Ca2B6O11
D. HBO2
3 Which metal of Group-II A of the periodic Table, will form the least ionic chloride
A. Be
B. Mg
C. Ca
D. Sr
4 Phosphorus pentoxide finds use as
A. An oxidizing agent
B. A reducing agent
C. A bleaching agent
D. A dehydrating agent
5 In a group IIA from top to bottom as the atomic number increases, there is regular decreases in
A. Ionic size
B. Atomic size
C. Ionization potential
D. None of these
6 Which of the following sulphates is not soluble in water
A. Sodium sulphate
B. Potassium sulphate
C. Zinc sulphate
D. Barium sulphate
7 The ore CaSO42H2O has the general name
A. Gypsum
B. Dolomite
C. Calcite
D. Epsom salt
8 Which oxide of nitrogen is obtained on heating ammonium nitrate at 250° C?
A. Nitric oxide
B. Nitrous oxide
C. Nitrogen dioxide
D. Dinitrogen tetraoxide
9 The number of electron that are paired in oxygen molecule are
A. 16
B. 12
C. 14
D. 7
10 Which salt is used for preserving food
A. BaCl2
B. CaCl2
C. NaCl
D. Na2SO4

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