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

When SO2is passed through acidified K2Cr2O7solution

Question # 2

Which of the following sulphates is not soluble in water

Question # 3

Which salt is used for the treatment of hyperacidity in stomach

Question # 4

Plaster of pares is obtained by heating

Question # 5

Which has soapy touch?

Question # 6

In the earth crust sodium is

Question # 7

Silicon atom is hybridized:

Question # 8

Which is used to remove air bubbles form metals?

Question # 9

Down's cell is used to prepare

Question # 10

______ reacts with alkalis to give hydrogen

Question # 11

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

Question # 12

NaHCO3is prepared by

Question # 13

NaHCO3is commonly called

Question # 14

Corrundam is ore of:

Question # 15

The alkaline earth elements have in their s-orbital

Question # 16

All the following decompose easily on heating to give oxygen except

Question # 17

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

Question # 18

The most acidic of the following compounds is

Question # 19

Which of the following has highest dipole moment?

Question # 20

Phosphorus pentoxide finds use as

Question # 21

The chemical formula of Epson salt is

Question # 22

Carbonates of alkali metals dissolves freely in water to form

Question # 23

Ozone is not

Question # 24

Which of the following fluorides does not exists?

Question # 25

Which of the following is a tetrabasic acid?

Question # 26

Where lime is not used

Question # 27

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

Question # 28

Which one of the following elements occurs free in nature?

Question # 29

Which will have the maximum value of heat of hydration

Question # 30

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

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 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
2 Which of the following are electropositive in nature
A. Alkali metals
B. Alkaline earth metals
C. Halogens
D. Alkali and alkaline earth metals
3 Crystalline form of sulphur stable at room temperature is
A. Rhombic sulphur
B. Monoclinic sulphur
C. Plastic sulphur
D. Prismatic sulphur
4 Aluminium oxide is:
A. Acidic oxide
B. Basic oxide
C. Amphoteric oxided
D. None of these
5 Which metal of Group-II A of the periodic Table, will form the least ionic chloride
A. Be
B. Mg
C. Ca
D. Sr
6 The element which has a simple cubic lattice in solid state is
A. Se
B. Te
C. Po
D. None of these
7 Which has soapy touch?
A. Na2B4O7
B. H3BO3
C. Ca2B6O11
D. HBO2
8 Which is litharge or massicot?
A. PbO
B. Pb2O
C. Pb3O4
D. PbO2
9 Which shows maximum catenation property?
A. S
B. Se
C. Te
D. O
10 The element caesium bears resemblance with
A. Ca
B. Cr
C. Rubidium
D. None of the above

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