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

Marble is chemically

Question # 2

Which metal of Group-II A of the periodic Table, will form the least ionic chloride

Question # 3

Some of the elements of a period show similar behavior with the elements of next group in next period this is called

Question # 4

Down's cell is used to prepare

Question # 5

What is the formula of asbestos?

Question # 6

Al is the most element in earth crust:

Question # 7

Heavy water is obtained by

Question # 8

Which of the following is the hardest metal among following

Question # 9

On alkali and alkaline earth metals down the group, there is decreasing trend in

Question # 10

Which of the following sulphates has the highest solubility in water

Question # 11

Aluminium oxide is:

Question # 12

Carbonates of alkali metals dissolves freely in water to form

Question # 13

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

Question # 14

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

Question # 15

As a fixing agent in photography, sodium thisoulphate is used for

Question # 16

The acid used in lead storage cells is

Question # 17

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

Question # 18

Which carbonate of alkali metals is insoluble in water

Question # 19

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

Question # 20

Sodium is never found free in nature because of its

Question # 21

Alkali metals react violently with halogens to form

Question # 22

Which element among the following belongs to Group IV-A of the periodic table?

Question # 23

Which of the following equations represents the action of heat on NaHCO3

Question # 24

The acid which has a peroxy linkage is

Question # 25

Sulphuric acid has great affinity for water because

Question # 26

Gypsum is a common mineral of

Question # 27

The element which has a simple cubic lattice in solid state is

Question # 28

Polyanion formation is maximum in

Question # 29

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

Question # 30

Group VA of the periodic table consists of the elements N, P, As, Sb and Bi, On passing from N to Bi, the oxides of the elements of general formula M2O3become

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 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
2 Which of the following is a tetrabasic acid?
A. ORthophosphoric acid
B. Hyposphosphorus acid
C. Metaphosphoric
D. Pyrophosphoric acid
3 Polyanion formation is maximum in
A. Nitrogen
B. Oxygen
C. Sulphur
D. Boron
4 Copper oxide is dedected by borax bead test with colour:
A. Blue
B. Red
C. Yellow
D. Black
5 The electrolytic cell used for the production of metallic sodium is known as
A. Down's cell
B. Solvary's cell
C. Haber's cell
D. None of these
6 Which of the following statement is not related to Solvay's process of Na2CO3
A. Cheap materials
B. Pure product
C. Continuous process
D. Harmful by-products
7 The structure of white phosphorus is
A. Square planar
B. Pyramidal
C. Tetrahedral
D. Trigonal planer
8 All the following decompose easily on heating to give oxygen except
A. Lead nitrate
B. Potassium chlorate
C. Mercuric oxide
D. Manganese dioxide
9 Which is not the form of silica?
A. Amethyst quatz
B. Rose quatz
C. Smoky
D. None of these
10 When ammonia is heated with cupric oxide, a molecule of ammonia will
A. Gain 3 electrons
B. Lose 3 electrons
C. Gain 2 electrons
D. Lose 2 electrons

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