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

The chemical formula of Epson salt is

Question # 2

Which of the following sulphates is not soluble in water

Question # 3

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

Question # 4

Which will have the maximum value of heat of hydration

Question # 5

The oxidation number of each element of group ll-A is

Question # 6

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

Question # 7

Phosphide ion has the electronic structure similar to that of

Question # 8

Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly

Question # 9

Which of the following is a tetrabasic acid?

Question # 10

Which element forms an iron with charge 3+?

Question # 11

The most acidic of the following compounds is

Question # 12

NaHCO3is commonly called

Question # 13

Pb has inert pair of electrons:

Question # 14

Red P can be obtained form white P by

Question # 15

Carbonates of alkali metals dissolves freely in water to form

Question # 16

Lime, calcium oxide, is used in agriculture for

Question # 17

The alkaline earth elements have in their s-orbital

Question # 18

Alkali metals react violently with halogens to form

Question # 19

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

Question # 20

What is the formula of asbestos?

Question # 21

______ gives peroxide

Question # 22

Chief ore of aluminium is:

Question # 23

Which of all following compound is not possible

Question # 24

Which of the following element is most reactive

Question # 25

Hybridized in oxygen is:

Question # 26

Alkaline earth metals posses two electrons in their outermost

Question # 27

Down's cell is used to prepare

Question # 28

The ore CaSO42H2O has the general name

Question # 29

Tincal is a mineral of:

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 The chemical formula of Epson salt is
A. MgSO4
B. MgCl2
C. MgSO4. 7H2O
D. MgCl2. 7H2O
2 Red P can be obtained form white P by
A. Heating it with a catalyst in an inert atmosphere
B. Distilling it in an inert atmosphere
C. Dissolving it in CS2and crysllizing
D. Melting it ad pouring the liquid into water
3 Which of the following sulphates is not soluble in water
A. Sodium sulphate
B. Potassium sulphate
C. Zinc sulphate
D. Barium sulphate
4 Which of the element is not an alkaline earth metal
A. Beryllium
B. Strontium
C. Barium
D. Caesium
5 Which carbonate of alkali metals is insoluble in water
A. Na2CO3
B. K2CO3
C. Li2CO3
D. Cs2CO3
6 Which of the following elements is most metallic?
A. P
B. As
C. Sb
D. Bi
7 The element which has a simple cubic lattice in solid state is
A. Se
B. Te
C. Po
D. None of these
8 Solvay process is used in the manufacture of
A. Na2CO3
B. NaHCO3
C. CaCl2
D. All
9 Hybridized in oxygen is:
A. sp
B. sp2
C. sp3
D. dsp3
10 Sodium is manufacture by the electrolysis of fused sodium chloride and not from an aqueous solution of sodium chloride because
A. Sodium chloride does not ionize in the water solution
B. Sodium chloride is not soluble in water
C. Sodium deposited at the cathode may react with water to form sodium hydroxide
D. Electricity does not pass through aqueous NaCl

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