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

Gypsum is a common mineral of

Question # 2

All the following decompose easily on heating to give oxygen except

Question # 3

Carbonates of alkali metals dissolves freely in water to form

Question # 4

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

Question # 5

Which of the following elements is not present abundantly in earth's crust?

Question # 6

Which of the following salt is soluble in water

Question # 7

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

Question # 8

Which of the following is the hardest metal among following

Question # 9

In a group IIA from top to bottom as the atomic number increases, there is regular decreases in

Question # 10

White phosphorus is

Question # 11

Down's cell is used to prepare

Question # 12

Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly

Question # 13

Sodium forms largely

Question # 14

BiCl3on hydrolysis forms a white precipitate of

Question # 15

Which of the following is lighter

Question # 16

Plaster of pares is obtained by heating

Question # 17

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

Question # 18

Which of the following form normal oxide

Question # 19

Alkaline earth metals posses two electrons in their outermost

Question # 20

Chile saltpetre has the chemical formula

Question # 21

Aluminium oxide is:

Question # 22

Heavy water is obtained by

Question # 23

LiOH ______ soluble than NaOH

Question # 24

The structure of white phosphorus is

Question # 25

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

Question # 26

Bond angle is minimum for

Question # 27

Which of the following is acidic?

Question # 28

Which is used to remove air bubbles form metals?

Question # 29

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

Question # 30

Which of the element is not alkali metal

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Alkaline earth metals posses two electrons in their outermost
A. F-orbital
B. D-orbital
C. S-orbital
D. P-orbital
2 HNO2acts as an/a
A. Acid
B. Oxidizing agent
C. Reducing agent
D. All the three
3 Which of the element is not an alkaline earth metal
A. Beryllium
B. Strontium
C. Barium
D. Caesium
4 Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly
5 Which has soapy touch?
A. Na2B4O7
B. H3BO3
C. Ca2B6O11
D. HBO2
6 Plaster of pares is obtained by heating
A. Gypsum
B. Epsom
C. Lime stone
D. Dolomite
7 Permonosulphuric acid is known as
A. Marshall's acid
B. Carlo's acid
C. Sulphuric acid
D. None of these
8 Which carbonate of alkali metals is insoluble in water
A. Na2CO3
B. K2CO3
C. Li2CO3
D. Cs2CO3
9 Which property is not present in Al?
A. Reacts with acid
B. Reacts with bases
C. Changes litmus paper
D. Changes methyle orange colour
10 Which on of the following compounds does not exist?
A. NCl5
B. AsF5
C. SbCl5
D. PF5

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