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

The acid used in lead storage cells is

Question # 2

Gypsum is a common mineral of

Question # 3

The alkaline earth elements have in their s-orbital

Question # 4

Sodium should be stored in

Question # 5

Which electronic configuration corresponds to an element of Group ||Z-A of the periodic table?

Question # 6

Which has soapy touch?

Question # 7

Which shows maximum catenation property?

Question # 8

Lime, calcium oxide, is used in agriculture for

Question # 9

Phosphine is not obtained by the reaction when

Question # 10

Which one of the following elements occurs free in nature?

Question # 11

Which oxide of nitrogen is obtained on heating ammonium nitrate at 250° C?

Question # 12

Which of all following compound is not possible

Question # 13

Phosphide ion has the electronic structure similar to that of

Question # 14

P2O5is heated with water to give

Question # 15

Sodium is never found free in nature because of its

Question # 16

Which of the following has highest dipole moment?

Question # 17

Which of the element is not alkali metal

Question # 18

Gypsum is applied to the soil to provide calcium and

Question # 19

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

Question # 20

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

Question # 21

What is going to replace the petroleum?

Question # 22

Aluminium oxide is:

Question # 23

Which will have the maximum value of heat of hydration

Question # 24

The chemical formula of magnesite is

Question # 25

Each of the following is true of white and red phosphours except that they

Question # 26

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

Question # 27

The chemical formula of Trona is

Question # 28

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

Question # 29

Which element forms an iron with charge 3+?

Question # 30

Chief ore of aluminium is:

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Hybridized in carbon is:
A. sp
B. sp2
C. sp3
D. d2sp
2 Which one of the following does not belong to alkaline earth metals
A. Be
B. Ra
C. Ba
D. Rn
3 Down's cell is used to prepare
A. Sodium carbonate
B. Sodium bicarbonate
C. Sodium metal
D. Sodium hydroxide
4 The acid used in lead storage cells is
A. Phosphoric acid
B. Nitric acid
C. Sulphuric acid
D. Hydrochloric acid
5 Al is the most element in earth crust:
A. O
B. Si
C. Al
D. Pb
6 Which of the following are electropositive in nature
A. Alkali metals
B. Alkaline earth metals
C. Halogens
D. Alkali and alkaline earth metals
7 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
8 What is chrome yellow?
A. Pbo
B. Pb2O
C. PbCrO4
D. Pb3O4
9 In the earth crust sodium is
A. 2.50%
B. 2.30%
C. 2.40%
D. 3.50%
10 Lithium reacts with air to form
A. Peroxide
B. Normal oxide
C. Superoxide
D. None of these

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