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 of the following salt is soluble in water

Question # 2

Phosphorus pentoxide finds use as

Question # 3

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

Question # 4

Which will have the maximum value of heat of hydration

Question # 5

Tincal is a mineral of:

Question # 6

Orthophosphoric acid is

Question # 7

Sodium should be stored in

Question # 8

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 # 9

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

Question # 10

Corrundam is ore of:

Question # 11

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

Question # 12

Chemical composition of colemnite is:

Question # 13

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

Question # 14

NaHCO3is commonly called

Question # 15

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 # 16

White phosphorus is

Question # 17

Ozone is not

Question # 18

Marble is chemically

Question # 19

Sulphuric acid reacts with PCl5to give

Question # 20

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

Question # 21

The chemical formula of gypsum is

Question # 22

Which carbonate of alkali metals is insoluble in water

Question # 23

Which of the following has highest dipole moment?

Question # 24

When SO2is passed through acidified K2Cr2O7solution

Question # 25

Basicity of orthoposphoric acid is

Question # 26

Copper oxide is dedected by borax bead test with colour:

Question # 27

Which of the element is not an alkaline earth metal

Question # 28

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

Question # 29

NaHCO3is prepared by

Question # 30

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

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Each of the following is true of white and red phosphours except that they
A. Are both soluble in CS2
B. Can be oxidized by heating in air
C. Consist of the same kind of atoms
D. Can be converted into one another
2 Marble is chemically
A. CaCl2
B. CaCO3
C. Na2CO3
D. NaHCO3
3 Which of the following elements is most metallic?
A. P
B. As
C. Sb
D. Bi
4 The alkaline earth elements have in their s-orbital
A. One electron
B. Two electron
C. No electron
D. Three electron
5 Identify the incorrect statement with respect to ozone
A. Ozone is formed in the upper atmosphere by a photochemical reaction involving dioxygen
B. Ozone is more reactive than diaoxygen
C. Ozone is diamagnetic whereas dioxygen is paramagnetic
D. Ozone protects the earth's inhabitants by absorbing gamma-radiations
6 The alkali metals form
A. Ionic bond
B. Covalent bond
C. Co-ordinate bond
D. H-bond
7 ______ reacts with alkalis to give hydrogen
A. Be
B. Mg
C. Ca
D. None
8 Which of the following is not the reactions of lithium
9 Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly
10 Which of the following phosphorus is most reactive?
A. Red phosphorus
B. White phosphorus
C. Scrlet phosphorus
D. Violet phosphorous

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