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

Commercial common salt becomes slight damp on storing because

Question # 2

A compound used as eye wash:

Question # 3

______ gives peroxide

Question # 4

Borax is hydrated:

Question # 5

Solvay process is used in the manufacture of

Question # 6

Which is used to remove air bubbles form metals?

Question # 7

What is the formula of asbestos?

Question # 8

All the elements of oxygen family are

Question # 9

Which on of the following compounds does not exist?

Question # 10

Identify the incorrect statement with respect to ozone

Question # 11

Hypo is used in photography for

Question # 12

Which of the element is not alkali metal

Question # 13

Borax is a common mineral of alkali metal sodium. Its formula is

Question # 14

Which is used in navigational equipments?

Question # 15

Gypsum is applied to the soil to provide calcium and

Question # 16

All the following decompose easily on heating to give oxygen except

Question # 17

The structure of white phosphorus is

Question # 18

Which element form group 15 gives most basic compound with hydrogen?

Question # 19

The chemical formula of chile salt peter is

Question # 20

White P when boiled with strong solution of caustic soda produces

Question # 21

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

Question # 22

Phosphorus pentoxide finds use as

Question # 23

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

Question # 24

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

Question # 25

Which of the following is a tetrabasic acid?

Question # 26

What is chrome yellow?

Question # 27

When SO2is passed through acidified K2Cr2O7solution

Question # 28

Which of the following has highest dipole moment?

Question # 29

Which electronic configuration corresponds to an element of Group ||Z-A of the periodic table?

Question # 30

Sulphuric acid reacts with PCl5to give

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 ______ is called milk of magnesia
A. NaOH
B. KOH
C. LiOH
D. None
2 Carbonates of alkali metals dissolves freely in water to form
A. Acidic solutions
B. Neutral solution
C. Alkaline solution
D. None of these
3 Marble is chemically
A. CaCl2
B. CaCO3
C. Na2CO3
D. NaHCO3
4 Oleum is
A. Castor oil
B. Oil of vitriol
C. Fuming of H2SO4
D. None of them
5 Phosphorus pentoxide finds use as
A. An oxidizing agent
B. A reducing agent
C. A bleaching agent
D. A dehydrating agent
6 Sulphuric acid has great affinity for water because
A. It hydrolyses the acid
B. It decomposes the acid
C. Acid forms hydrates with water
D. Acid decomposes water
7 Alkali metals react violently with halogens to form
A. Hydrides
B. Halides
C. Anyhydrides
D. None of these
8 Permonosulphuric acid is known as
A. Marshall's acid
B. Carlo's acid
C. Sulphuric acid
D. None of these
9 Which of the following elements is most metallic?
A. P
B. As
C. Sb
D. Bi
10 What is the formula of asbestos?
A. CaMg3(SiO3)4
B. CaSiO3
C. Na2SiO3
D. Mg3H2(SiO3)4

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