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

Permonosulphuric acid is known as

Question # 2

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

Question # 3

When SO2is passed through acidified K2Cr2O7solution

Question # 4

Each of the following is true of white and red phosphours except that they

Question # 5

Basicity of orthoposphoric acid is

Question # 6

Which of the following elements is most metallic?

Question # 7

NaHCO3is commonly called

Question # 8

Boric acid cannot be used:

Question # 9

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

Question # 10

Which is used to remove air bubbles form metals?

Question # 11

Sulphuric acid reacts with PCl5to give

Question # 12

Which one of the following does not belong to alkaline earth metals

Question # 13

The most acidic of the following compounds is

Question # 14

Oleum is

Question # 15

Pb has inert pair of electrons:

Question # 16

Which of the following salt is used as purgative

Question # 17

Carbonates of alkali metals dissolves freely in water to form

Question # 18

The structure of white phosphorus is

Question # 19

Which one of the following properties is not correct for ozone?

Question # 20

Chief ore of aluminium is:

Question # 21

What is going to replace the petroleum?

Question # 22

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

Question # 23

Dipole moment of CO molecule is:

Question # 24

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

Question # 25

Which carbonate of alkali metals is insoluble in water

Question # 26

What is the formula of asbestos?

Question # 27

Solvay process is used in the manufacture of

Question # 28

Which of the following form normal oxide

Question # 29

BiCl3on hydrolysis forms a white precipitate of

Question # 30

Bond angle is minimum for

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The chemical formula of Trona is
A. KCl . MgCl2. 6H2O
B. Na2CO3. 2NaHCO3. 2H2O
C. Na2CO3. H2O
D. KCl
2 The element caesium bears resemblance with
A. Ca
B. Cr
C. Rubidium
D. None of the above
3 Crystalline form of sulphur stable at room temperature is
A. Rhombic sulphur
B. Monoclinic sulphur
C. Plastic sulphur
D. Prismatic sulphur
4 Which of the following is lighter
A. Li
B. k
C. Na
D. Ca
5 Alkali metals react violently with halogens to form
A. Hydrides
B. Halides
C. Anyhydrides
D. None of these
6 Which element among the following belongs to Group IV-A of the periodic table?
A. Barium
B. Iodine
C. Lead
D. Oxygen
7 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
8 The ore CaSO42H2O has the general name
A. Gypsum
B. Dolomite
C. Calcite
D. Epsom salt
9 Polyanion formation is maximum in
A. Nitrogen
B. Oxygen
C. Sulphur
D. Boron
10 Which shows maximum catenation property?
A. S
B. Se
C. Te
D. O

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