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

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

Question # 2

Which of the following oxides is peroxide?

Question # 3

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

Question # 4

Which colour is imparted by sodium

Question # 5

Sodium is never found free in nature because of its

Question # 6

Which carbonate of alkali metals is insoluble in water

Question # 7

Which one of the following pentafluorides cannot be formed?

Question # 8

The chemical formula of Trona is

Question # 9

Plaster of pares is obtained by heating

Question # 10

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 11

NaHCO3is commonly called

Question # 12

Which metal is used in the thermit process because of its activity?

Question # 13

LiOH ______ soluble than NaOH

Question # 14

Polyanion formation is maximum in

Question # 15

Silicon atom is hybridized:

Question # 16

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

Question # 17

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

Question # 18

The number of unpaired electrons in the p-subshell of oxygen atom

Question # 19

The most acidic of the following compounds is

Question # 20

Marble is chemically

Question # 21

What is going to replace the petroleum?

Question # 22

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

Question # 23

Which one of the following is not an alkali metal

Question # 24

In the earth crust sodium is

Question # 25

Which of all following compound is not possible

Question # 26

Hybridized in carbon is:

Question # 27

All the elements of oxygen family are

Question # 28

Gypsum is a common mineral of

Question # 29

Which of the following phosphorus is most reactive?

Question # 30

The ore CaSO42H2O has the general name

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The alkali metals form
A. Ionic bond
B. Covalent bond
C. Co-ordinate bond
D. H-bond
2 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
3 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
A. Stronger reducing agents
B. More ionic
C. More basic
D. More volatile
4 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?
A. It will react with water to liberate oxygen
B. Its hydroxide will be a strong alkali in water
C. Its carbonate will decompose on heating to give carbon dioxide
D. Its nitrate on heating will give nitrogen dioxide and oxygen
5 Which of the following sulphates is not soluble in water
A. Sodium sulphate
B. Potassium sulphate
C. Zinc sulphate
D. Barium sulphate
6 Carbonates of alkali metals dissolves freely in water to form
A. Acidic solutions
B. Neutral solution
C. Alkaline solution
D. None of these
7 Phosphide ion has the electronic structure similar to that of
A. Nitride ion
B. Fluoride ion
C. Sodium ion
D. Chloride ion
8 Which shows maximum catenation property?
A. S
B. Se
C. Te
D. O
9 Red P can be obtained form white P by
A. Heating it with a catalyst in an inert atmosphere
B. Distilling it in an inert atmosphere
C. Dissolving it in CS2and crysllizing
D. Melting it ad pouring the liquid into water
10 HNO2acts as an/a
A. Acid
B. Oxidizing agent
C. Reducing agent
D. All the three

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