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

Question # 2

Tincal is a mineral of:

Question # 3

Which one of the following is not an alkali metal

Question # 4

The number of electron that are paired in oxygen molecule are

Question # 5

Baking powder has which one of the following formula

Question # 6

Alkaline earth metals are usually

Question # 7

Alkali metals react violently with halogens to form

Question # 8

Hypo is used in photography for

Question # 9

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

Question # 10

Orthophosphoric acid is

Question # 11

Chemical composition of colemnite is:

Question # 12

Which of the following are electropositive in nature

Question # 13

Silicon atom is hybridized:

Question # 14

Sodium should be stored in

Question # 15

The chemical formula of Epson salt is

Question # 16

Which has soapy touch?

Question # 17

Which element has highest oxidation potential

Question # 18

Which of the following elements is most metallic?

Question # 19

Chief ore of aluminium is:

Question # 20

S-block elements consist of

Question # 21

Lime, calcium oxide, is used in agriculture for

Question # 22

The oxyacids of phosphorus in which phosphorus has the lowest oxidiation state is

Question # 23

Down's cell is used to prepare

Question # 24

Oleum is

Question # 25

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

Question # 26

Corrundam is ore of:

Question # 27

Which shows maximum catenation property?

Question # 28

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

Question # 29

Sulphuric acid has great affinity for water because

Question # 30

Which salt is used for preserving food

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Pb has inert pair of electrons:
A. One
B. Two
C. Three
D. Four
2 Plaster of pares is obtained by heating
A. Gypsum
B. Epsom
C. Lime stone
D. Dolomite
3 Gypsum is a common mineral of
A. Magnesium
B. Strontium
C. Calcium
D. Barium
4 Alkaline earth metals are usually
A. Reducing agent
B. Oxidizing agent
C. Amphoteric
D. Acidic
5 In the earth crust sodium is
A. 2.50%
B. 2.30%
C. 2.40%
D. 3.50%
6 Heavy water is obtained by
A. Prolonged electrolysis of water
B. Dissolving heavy salt in water
C. Simple distillation of water
D. Removing impurities of calcium and magnesium form water
7 Potassium superoxide has a use in breathing equipment in space crafts. The balanced equation for the reaction is
8 Hypo is used in photography for
A. Developing picture
B. Picture printed
C. The colour of picture
D. The fixation of picture
9 All the elements of oxygen family are
A. Non metals
B. Metalloids
C. Radioactive
D. Polymorphic
10 Orthophosphoric acid is
A. Monobasic
B. Dibasic
C. Tribasic
D. Tetrabasic

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