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

Heavy water is obtained by

Question # 2

White phosphorus is

Question # 3

Which carbonate of alkali metals is insoluble in water

Question # 4

Gypsum is a common mineral of

Question # 5

Alkali metals react violently with halogens to form

Question # 6

Identify the incorrect statement with respect to ozone

Question # 7

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

Question # 8

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

Question # 9

Which of the following sulphates has the highest solubility in water

Question # 10

P2O5is heated with water to give

Question # 11

______ is used in breathing equipments for mountaineers and in space craft

Question # 12

Solvay process is used in the manufacture of

Question # 13

The chemical formula of chile salt peter is

Question # 14

Which shows maximum catenation property?

Question # 15

Phosphide ion has the electronic structure similar to that of

Question # 16

The chemical formula of magnesite is

Question # 17

Which of the following is not the reactions of lithium

Question # 18

Which element has highest oxidation potential

Question # 19

Carbonates of alkali metals dissolves freely in water to form

Question # 20

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

Question # 21

Bond angle is minimum for

Question # 22

Sodium should be stored in

Question # 23

Which of all following compound is not possible

Question # 24

The oxide of beryllium is

Question # 25

Which of the following has highest dipole moment?

Question # 26

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

Question # 27

Polyanion formation is maximum in

Question # 28

The element caesium bears resemblance with

Question # 29

Marble is chemically

Question # 30

Which of the element is not an alkaline earth metal

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 All the elements of oxygen family are
A. Non metals
B. Metalloids
C. Radioactive
D. Polymorphic
2 Sodium should be stored in
A. Air free from moisture
B. Air free form carbon dioxide
C. Under water
D. Under kerosene oil
3 Sodium is manufacture by the electrolysis of fused sodium chloride and not from an aqueous solution of sodium chloride because
A. Sodium chloride does not ionize in the water solution
B. Sodium chloride is not soluble in water
C. Sodium deposited at the cathode may react with water to form sodium hydroxide
D. Electricity does not pass through aqueous NaCl
4 Alkaline earth metals posses two electrons in their outermost
A. F-orbital
B. D-orbital
C. S-orbital
D. P-orbital
5 The number of unpaired electrons in the p-subshell of oxygen atom
A. 1
B. 2
C. 3
D. 4
6 Which salt is used for preserving food
A. BaCl2
B. CaCl2
C. NaCl
D. Na2SO4
7 Potassium superoxide has a use in breathing equipment in space crafts. The balanced equation for the reaction is
8 Which of the following is lighter
A. Li
B. k
C. Na
D. Ca
9 Which has soapy touch?
A. Na2B4O7
B. H3BO3
C. Ca2B6O11
D. HBO2
10 Copper oxide is dedected by borax bead test with colour:
A. Blue
B. Red
C. Yellow
D. Black

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