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 metal of Group-II A of the periodic Table, will form the least ionic chloride

Question # 2

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

Question # 3

When ammonia is heated with cupric oxide, a molecule of ammonia will

Question # 4

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

Question # 5

S-block elements consist of

Question # 6

When a colourless gas is passed through bromine water only decolourisation takes place the gas is

Question # 7

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

Question # 8

Density of aluminium is (g cm-3):

Question # 9

LiOH ______ soluble than NaOH

Question # 10

Which one of the following elements occurs free in nature?

Question # 11

Which of the following salt is soluble in water

Question # 12

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

Question # 13

Electron affinity of sulphur is

Question # 14

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

Question # 15

All the following decompose easily on heating to give oxygen except

Question # 16

Phosphine is not obtained by the reaction when

Question # 17

The metal with highest electrical resistance at room temperature is

Question # 18

Al is the most element in earth crust:

Question # 19

Sodium hexametaphophate is known as

Question # 20

Which of the following phosphorus is most reactive?

Question # 21

Which of the following is lighter

Question # 22

The oxide of beryllium is

Question # 23

The acid which has a peroxy linkage is

Question # 24

Alkaline earth metals posses two electrons in their outermost

Question # 25

Silicon atom is hybridized:

Question # 26

Alkali metals react violently with halogens to form

Question # 27

The ore CaSO42H2O has the general name

Question # 28

Which is an essential constituent of chlorophyll

Question # 29

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

Question # 30

Chile saltpetre has the chemical formula

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Solvay process is used in the manufacture of
A. Na2CO3
B. NaHCO3
C. CaCl2
D. All
2 Which is used in navigational equipments?
A. B
B. Be
C. Mg
D. Al
3 Ozone is not
A. An allotrope
B. A powerful oxidizing agent
C. Paramagnetic
D. A bent molecule
4 Which of the following elements is most metallic?
A. P
B. As
C. Sb
D. Bi
5 Some of the elements of a period show similar behavior with the elements of next group in next period this is called
A. Vertical relationship
B. Oblique relationship
C. Diagonal relationship
D. None
6 Which is an essential constituent of chlorophyll
A. Be
B. Fe
C. Mg
D. Ca
7 Which shows maximum catenation property?
A. S
B. Se
C. Te
D. O
8 Oleum is
A. Castor oil
B. Oil of vitriol
C. Fuming of H2SO4
D. None of them
9 Which salt is used for preserving food
A. BaCl2
B. CaCl2
C. NaCl
D. Na2SO4
10 Carbonates of alkali metals dissolves freely in water to form
A. Acidic solutions
B. Neutral solution
C. Alkaline solution
D. None of these

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