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

00:00
Question # 1

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

Question # 2

Dipole moment of CO molecule is:

Question # 3

What is going to replace the petroleum?

Question # 4

Identify the incorrect statement with respect to ozone

Question # 5

Basicity of orthoposphoric acid is

Question # 6

Which of the following fluorides does not exists?

Question # 7

What causes nitrogen to be chemically inert?

Question # 8

Which is used in navigational equipments?

Question # 9

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

Question # 10

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

Question # 11

Which of all following compound is not possible

Question # 12

Bond angle is minimum for

Question # 13

NaHCO3is commonly called

Question # 14

Hypo is used in photography for

Question # 15

Phosphine is not obtained by the reaction when

Question # 16

Phosphorus pentoxide finds use as

Question # 17

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

Question # 18

Plaster of pares is obtained by heating

Question # 19

______ gives peroxide

Question # 20

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

Question # 21

HNO2acts as an/a

Question # 22

The formula of lime stone is

Question # 23

White phosphorus is

Question # 24

The chemical formula of Trona is

Question # 25

Sometimes a yellow turbidity appears while passing H2S gas even in the absence of II group radicals. This is because

Question # 26

Sodium should be stored in

Question # 27

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

Question # 28

Aluminium oxide is:

Question # 29

When SO2is passed through acidified K2Cr2O7solution

Question # 30

Alkaline earth metals are usually

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Down's cell is used to prepare
A. Sodium carbonate
B. Sodium bicarbonate
C. Sodium metal
D. Sodium hydroxide
2 The structure of white phosphorus is
A. Square planar
B. Pyramidal
C. Tetrahedral
D. Trigonal planer
3 S-block elements consist of
A. Alkali metals
B. Alkaline earth metals
C. Alkali and alkaline earth metals
D. None of these
4 P2O5is heated with water to give
A. Hypophosphorus acid
B. Phosphorus acid
C. Hypophosphorus acid
D. Orthophosphorus acid
5 Baking powder has which one of the following formula
A. Na2CO3
B. Na2SO4
C. NaHCO3
D. K2CO3
6 Which of all following compound is not possible
7 When SO2is passed through acidified K2Cr2O7solution
A. The solution turns blue
B. The solution is decolourised
C. SO2is reduced
D. Green Cr2(SO4)3is formed
8 Which is litharge or massicot?
A. PbO
B. Pb2O
C. Pb3O4
D. PbO2
9 What is the formula of asbestos?
A. CaMg3(SiO3)4
B. CaSiO3
C. Na2SiO3
D. Mg3H2(SiO3)4
10 Which one of the following does not belong to alkaline earth metals
A. Be
B. Ra
C. Ba
D. Rn

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