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

______ is called milk of magnesia

Question # 2

Which will have the maximum value of heat of hydration

Question # 3

Boric acid cannot be used:

Question # 4

Which carbonate of alkali metals is insoluble in water

Question # 5

The formula of lime stone is

Question # 6

Which one of the following pentafluorides cannot be formed?

Question # 7

All the elements of oxygen family are

Question # 8

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

Question # 9

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

Question # 10

______ gives peroxide

Question # 11

Which of the following form normal oxide

Question # 12

Down's cell is used to prepare

Question # 13

The silver bromide in hypo (Na2S2O3) solution is

Question # 14

The structure of white phosphorus is

Question # 15

Bond angle is minimum for

Question # 16

CaC2on hydrolysis form

Question # 17

Which is used in navigational equipments?

Question # 18

Which has soapy touch?

Question # 19

The chemical formula of Epson salt is

Question # 20

Baking powder has which one of the following formula

Question # 21

Which colour is imparted by sodium

Question # 22

Which of the following is a tetrabasic acid?

Question # 23

The maximum number of electrons in the outermost shall of s-black elements is

Question # 24

The number of electron that are paired in oxygen molecule are

Question # 25

BiCl3on hydrolysis forms a white precipitate of

Question # 26

Oleum is

Question # 27

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

Question # 28

Which of the following sulphates is not soluble in water

Question # 29

Sulphuric acid reacts with PCl5to give

Question # 30

Which of all following compound is not possible

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The alkali metals form
A. Ionic bond
B. Covalent bond
C. Co-ordinate bond
D. H-bond
2 White P when boiled with strong solution of caustic soda produces
A. Phosphine
B. Posh acid
C. Phosphorous acid
D. None
3 Which has soapy touch?
A. Na2B4O7
B. H3BO3
C. Ca2B6O11
D. HBO2
4 Lime, calcium oxide, is used in agriculture for
A. Adding ca metal in soil
B. Making soil acidic
C. Neutralizing acidic soil
D. Adding oxygen to soil
5 Which element has highest oxidation potential
A. Li
B. Be
C. Ba
D. Ra
6 Which of the following has highest dipole moment?
A. NH3
B. PH3
C. AsH3
D. SbH3
7 Which of the element is not alkali metal
A. Lithium
B. Rubidium
C. Francium
D. Magnesium
8 Which of the following is the hardest metal among following
A. Li
B. Na
C. Rb
D. K
9 The oxidation number of each element of group l-A is
A. 0
B. +1
C. +2
D. -1
10 Sulphuric acid reacts with PCl5to give
A. Thionyl chloride
B. Sulphur monochloride
C. Sulphuryl chloride
D. Sulphur tetrachloride

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