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 of the following element is most reactive

Question # 2

Heavy water is obtained by

Question # 3

Alkaline earth metals are usually

Question # 4

Potassium superoxide has a use in breathing equipment in space crafts. The balanced equation for the reaction is

Question # 5

NaHCO3is prepared by

Question # 6

Dipole moment of CO molecule is:

Question # 7

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

Question # 8

A compound used as eye wash:

Question # 9

Which of the following compound is industrially prepared by the electrolysis of solution of NaCl

Question # 10

The element caesium bears resemblance with

Question # 11

Some of the elements of a period show similar behavior with the elements of next group in next period this is called

Question # 12

Corrundam is ore of:

Question # 13

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

Question # 14

Which of the following form normal oxide

Question # 15

BiCl3on hydrolysis forms a white precipitate of

Question # 16

CaC2on hydrolysis form

Question # 17

The acid used in lead storage cells is

Question # 18

Ozone is not

Question # 19

Lime, calcium oxide, is used in agriculture for

Question # 20

White P when boiled with strong solution of caustic soda produces

Question # 21

The alkali metals form

Question # 22

Silicon atom is hybridized:

Question # 23

Gypsum is applied to the soil to provide calcium and

Question # 24

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

Question # 25

Which of the following is lighter

Question # 26

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

Question # 27

Chemical composition of colemnite is:

Question # 28

Solvay process is used in the manufacture of

Question # 29

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

Question # 30

HNO2acts as an/a

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 HNO2acts as an/a
A. Acid
B. Oxidizing agent
C. Reducing agent
D. All the three
2 When a colourless gas is passed through bromine water only decolourisation takes place the gas is
A. SO2
B. HBR
C. HCl
D. H2S
3 Basicity of orthoposphoric acid is
A. 2
B. 3
C. 4
D. 5
4 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
5 Gypsum is a common mineral of
A. Magnesium
B. Strontium
C. Calcium
D. Barium
6 Which element among the following belongs to Group IV-A of the periodic table?
A. Barium
B. Iodine
C. Lead
D. Oxygen
7 Pb has inert pair of electrons:
A. One
B. Two
C. Three
D. Four
8 The chemical formula of magnesite is
A. MgCl2
B. Mg(HCO3)2
C. MgCO3
D. None of these
9 Al is the most element in earth crust:
A. O
B. Si
C. Al
D. Pb
10 Which of the following fluorides does not exists?
A. NF5
B. PF5
C. AsF5
D. SbF5

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