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 most acidic of the following compounds is

Question # 2

Which of the following salt is soluble in water

Question # 3

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

Question # 4

BiCl3on hydrolysis forms a white precipitate of

Question # 5

Alkali metals react violently with halogens to form

Question # 6

Which of the following is not the reactions of lithium

Question # 7

All the elements of oxygen family are

Question # 8

Tincal is a mineral of:

Question # 9

In the earth crust sodium is

Question # 10

Which of the following are electropositive in nature

Question # 11

Which one of the following elements occurs free in nature?

Question # 12

What causes nitrogen to be chemically inert?

Question # 13

LiOH ______ soluble than NaOH

Question # 14

Polyanion formation is maximum in

Question # 15

Carbonates of alkali metals dissolves freely in water to form

Question # 16

The acid which has a peroxy linkage is

Question # 17

Gypsum is a common mineral of

Question # 18

______ is called milk of magnesia

Question # 19

Sulphuric acid reacts with PCl5to give

Question # 20

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

Question # 21

Baking powder has which one of the following formula

Question # 22

When ammonia is heated with cupric oxide, a molecule of ammonia will

Question # 23

S-block elements consist of

Question # 24

Down's cell is used to prepare

Question # 25

Basicity of orthoposphoric acid is

Question # 26

Group VA of the periodic table consists of the elements N, P, As, Sb and Bi, On passing from N to Bi, the oxides of the elements of general formula M2O3become

Question # 27

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

Question # 28

Sodium should be stored in

Question # 29

Which salt is used for the treatment of hyperacidity in stomach

Question # 30

Silicon atom is hybridized:

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of the following compound is industrially prepared by the electrolysis of solution of NaCl
A. Na2CO3
B. NaHCO3
C. NaOH
D. NaOCl
2 Which is litharge or massicot?
A. PbO
B. Pb2O
C. Pb3O4
D. PbO2
3 When sulphur is boiled with Na2SO3solution, the compound formed is
A. Sodium sulphides
B. Sodiums sulphates
C. Sodium persulphate
D. Sodium thiosulphate
4 The chemical formula of magnesite is
A. MgCl2
B. Mg(HCO3)2
C. MgCO3
D. None of these
5 Which of the following is not the reactions of lithium
6 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
7 The chemical formula of Epson salt is
A. MgSO4
B. MgCl2
C. MgSO4. 7H2O
D. MgCl2. 7H2O
8 Which element form group 15 gives most basic compound with hydrogen?
A. Nitrogen
B. Bismuth
C. Arsenic
D. Phosphorus
9 Chile saltpetre has the chemical formula
A. NaNO3
B. KNO3
C. Na2B4O7
D. Na2CO3H2O
10 The maximum number of electrons in the outermost shall of s-black elements is
A. One
B. Two
C. Three
D. Four

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