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

The chemical formula of Trona is

Question # 2

______ is called milk of magnesia

Question # 3

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

Question # 4

The chemical formula of chile salt peter is

Question # 5

Phosphine is not obtained by the reaction when

Question # 6

Which one of the following is not an alkali metal

Question # 7

Which one of the following does not belong to alkaline earth metals

Question # 8

The oxyacids of phosphorus in which phosphorus has the lowest oxidiation state is

Question # 9

Phosphorus pentoxide finds use as

Question # 10

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 # 11

Commercial common salt becomes slight damp on storing because

Question # 12

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

Question # 13

CaC2on hydrolysis form

Question # 14

Which of the following is formed by the action of water on sodium peroxide?

Question # 15

Sodium hexametaphophate is known as

Question # 16

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

Question # 17

Silicon atom is hybridized:

Question # 18

Pb has inert pair of electrons:

Question # 19

Which of the following is acidic?

Question # 20

Boric acid cannot be used:

Question # 21

Which of the following sulphates is not soluble in water

Question # 22

S-block elements consist of

Question # 23

Gypsum is a common mineral of

Question # 24

Basicity of orthoposphoric acid is

Question # 25

White phosphorus is

Question # 26

Which of the following is a tetrabasic acid?

Question # 27

Solvay process is used in the manufacture of

Question # 28

Which of the following equations represents the action of heat on NaHCO3

Question # 29

Which one of the following pentafluorides cannot be formed?

Question # 30

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?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Pb has inert pair of electrons:
A. One
B. Two
C. Three
D. Four
2 As a fixing agent in photography, sodium thisoulphate is used for
A. Dissolving out unreacted silver bromide
B. Converting silver
C. Reducing solubility of AgBr
D. Preventing overdeveloping and fogging
3 Which electronic configuration corresponds to an element of Group ||Z-A of the periodic table?
A. 1s, 2s2, 2p6, 3s2, 3p6, 4s2
B. 1s2 , 2s2 , 2p6 , 3s2, 3p1
C. 1s2, 2s2, 2p6
D. 1s2, 2s2, 2p6, 3s2, 3p3
4 Which of the following salt is soluble in water
A. CaCO3
B. CaSO4
C. MgSO4
D. BaSO4
5 Which element has highest oxidation potential
A. Li
B. Be
C. Ba
D. Ra
6 The number of unpaired electrons in the p-subshell of oxygen atom
A. 1
B. 2
C. 3
D. 4
7 The chemical formula of gypsum is
A. CaSO4. 5H2O
B. CaSO4. 4H2O
C. CaSO4. 2H2O
D. None of these
8 The maximum number of electrons in the outermost shall of s-black elements is
A. One
B. Two
C. Three
D. Four
9 Phosphide ion has the electronic structure similar to that of
A. Nitride ion
B. Fluoride ion
C. Sodium ion
D. Chloride ion
10 CaC2on hydrolysis form
A. CH4
B. C2H4
C. C2H2
D. C6H6

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