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

Which of the following is the hardest metal among following

Question # 2

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

Question # 3

Which of the following sulphates is not soluble in water

Question # 4

Which of the following salt is used as purgative

Question # 5

Which of the following form normal oxide

Question # 6

BiCl3on hydrolysis forms a white precipitate of

Question # 7

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

Question # 8

Basicity of orthoposphoric acid is

Question # 9

The acid which has a peroxy linkage is

Question # 10

Which of the following is not the reactions of lithium

Question # 11

______ reacts with alkalis to give hydrogen

Question # 12

NaHCO3is commonly called

Question # 13

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 # 14

Phosphorus pentoxide finds use as

Question # 15

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

Question # 16

Permonosulphuric acid is known as

Question # 17

Which of the following oxides is peroxide?

Question # 18

Density of aluminium is (g cm-3):

Question # 19

Hypo is used in photography for

Question # 20

When a colourless gas is passed through bromine water only decolourisation takes place the gas is

Question # 21

Gypsum is applied to the soil to provide calcium and

Question # 22

Calcium carbide reacts with water to produce

Question # 23

Which of the element is not an alkaline earth metal

Question # 24

The chemical formula of magnesite is

Question # 25

Which of the following are electropositive in nature

Question # 26

What is going to replace the petroleum?

Question # 27

Which is used to remove air bubbles form metals?

Question # 28

What causes nitrogen to be chemically inert?

Question # 29

The metal with highest electrical resistance at room temperature is

Question # 30

P2O5is heated with water to give

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which metal is used in the thermit process because of its activity?
A. Iron
B. Copper
C. Alumnium
D. Zinc
2 Which metal of Group-II A of the periodic Table, will form the least ionic chloride
A. Be
B. Mg
C. Ca
D. Sr
3 The number of electron that are paired in oxygen molecule are
A. 16
B. 12
C. 14
D. 7
4 Electron affinity of sulphur is
A. More than O and Se
B. More than O but less than Se
C. Less than O but more than Se
D. Equal to O and Se
5 Alkaline earth metals are usually
A. Reducing agent
B. Oxidizing agent
C. Amphoteric
D. Acidic
6 Which property is not present in Al?
A. Reacts with acid
B. Reacts with bases
C. Changes litmus paper
D. Changes methyle orange colour
7 Sodium hexametaphophate is known as
A. Calgon
B. Permutite
C. Natalite
D. Nitrolim
8 Commercial common salt becomes slight damp on storing because
A. Common salt is hygroscope
B. Common salt contains some impurity, which is hygroscopic
C. Salt in efflorescent
D. Salt is crystalline
9 All the elements of oxygen family are
A. Non metals
B. Metalloids
C. Radioactive
D. Polymorphic
10 CaC2on hydrolysis form
A. CH4
B. C2H4
C. C2H2
D. C6H6

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