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

Sodium is never found free in nature because of its

Question # 2

Which is litharge or massicot?

Question # 3

The oxide of beryllium is

Question # 4

NaHCO3is commonly called

Question # 5

Heavy water is obtained by

Question # 6

LiOH ______ soluble than NaOH

Question # 7

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

Question # 8

Which of the element is not an alkaline earth metal

Question # 9

Which is not the form of silica?

Question # 10

Marble is chemically

Question # 11

Sodium is manufacture by the electrolysis of fused sodium chloride and not from an aqueous solution of sodium chloride because

Question # 12

Tincal is a mineral of:

Question # 13

Where lime is not used

Question # 14

Which of the following are electropositive in nature

Question # 15

Which of the following is not the reactions of lithium

Question # 16

The chemical formula of magnesite is

Question # 17

Corrundam is ore of:

Question # 18

Copper oxide is dedected by borax bead test with colour:

Question # 19

Which one of the following is not an alkali metal

Question # 20

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

Question # 21

What is going to replace the petroleum?

Question # 22

Alkaline earth metals are usually

Question # 23

Which colour is imparted by sodium

Question # 24

What is chrome yellow?

Question # 25

The electrolytic cell used for the production of metallic sodium is known as

Question # 26

Electron affinity of sulphur is

Question # 27

Permonosulphuric acid is known as

Question # 28

Which salt is used for preserving food

Question # 29

Sulphuric acid has great affinity for water because

Question # 30

Borax is hydrated:

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 HNO2acts as an/a
A. Acid
B. Oxidizing agent
C. Reducing agent
D. All the three
2 The element which has a simple cubic lattice in solid state is
A. Se
B. Te
C. Po
D. None of these
3 Which one of the following is not an alkali metal
A. Francium
B. Caesium
C. Rubidium
D. Radium
4 Phosphide ion has the electronic structure similar to that of
A. Nitride ion
B. Fluoride ion
C. Sodium ion
D. Chloride ion
5 Chile saltpetre has the chemical formula
A. NaNO3
B. KNO3
C. Na2B4O7
D. Na2CO3H2O
6 Which salt is used for preserving food
A. BaCl2
B. CaCl2
C. NaCl
D. Na2SO4
7 The structure of white phosphorus is
A. Square planar
B. Pyramidal
C. Tetrahedral
D. Trigonal planer
8 Crystalline form of sulphur stable at room temperature is
A. Rhombic sulphur
B. Monoclinic sulphur
C. Plastic sulphur
D. Prismatic sulphur
9 Oleum is
A. Castor oil
B. Oil of vitriol
C. Fuming of H2SO4
D. None of them
10 All the elements of oxygen family are
A. Non metals
B. Metalloids
C. Radioactive
D. Polymorphic

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