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

Corrundam is ore of:

Question # 2

Potassium superoxide has a use in breathing equipment in space crafts. The balanced equation for the reaction is

Question # 3

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

Question # 4

Which has soapy touch?

Question # 5

Which of the following is lighter

Question # 6

Phosphide ion has the electronic structure similar to that of

Question # 7

Orthophosphoric acid is

Question # 8

NaHCO3is commonly called

Question # 9

The silver bromide in hypo (Na2S2O3) solution is

Question # 10

Which of the following has highest dipole moment?

Question # 11

The oxide of beryllium is

Question # 12

Which of the following is formed by the action of water on sodium peroxide?

Question # 13

Which element forms an iron with charge 3+?

Question # 14

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

Question # 15

______ is used in breathing equipments for mountaineers and in space craft

Question # 16

The chemical formula of Trona is

Question # 17

The structure of white phosphorus is

Question # 18

What is going to replace the petroleum?

Question # 19

Which one of the following is not an alkali metal

Question # 20

Hybridized in carbon is:

Question # 21

Down's cell is used to prepare

Question # 22

The alkaline earth elements have in their s-orbital

Question # 23

Sodium forms largely

Question # 24

LiOH ______ soluble than NaOH

Question # 25

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

Question # 26

Alkaline earth metals are usually

Question # 27

Francium is an element at the bottom of Group I in the Periodic Table. Which one of the following predication is likely to be correct?

Question # 28

Lithium reacts with air to form

Question # 29

Which of the following oxides is peroxide?

Question # 30

Which one of the following properties is not correct for ozone?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which is not the form of silica?
A. Amethyst quatz
B. Rose quatz
C. Smoky
D. None of these
2 Solvay process is used in the manufacture of
A. Na2CO3
B. NaHCO3
C. CaCl2
D. All
3 All the elements of oxygen family are
A. Non metals
B. Metalloids
C. Radioactive
D. Polymorphic
4 S-block elements consist of
A. Alkali metals
B. Alkaline earth metals
C. Alkali and alkaline earth metals
D. None of these
5 The alkaline earth elements have in their s-orbital
A. One electron
B. Two electron
C. No electron
D. Three electron
6 Pb has inert pair of electrons:
A. One
B. Two
C. Three
D. Four
7 NaHCO3is commonly called
A. Soda ash
B. Baking soda
C. Washing soda
D. None of these
8 Hybridized in carbon is:
A. sp
B. sp2
C. sp3
D. d2sp
9 The element which has a simple cubic lattice in solid state is
A. Se
B. Te
C. Po
D. None of these
10 Polyanion formation is maximum in
A. Nitrogen
B. Oxygen
C. Sulphur
D. Boron

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