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

00:00
Question # 1

The acid used in lead storage cells is

Question # 2

Commercial common salt becomes slight damp on storing because

Question # 3

Lithium reacts with air to form

Question # 4

Identify the incorrect statement with respect to ozone

Question # 5

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

Question # 6

White phosphorus is

Question # 7

The metal with highest electrical resistance at room temperature is

Question # 8

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

Question # 9

Which carbonate of alkali metals is insoluble in water

Question # 10

White P when boiled with strong solution of caustic soda produces

Question # 11

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

Question # 12

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

Question # 13

Which of the following is not the reactions of lithium

Question # 14

Chile saltpetre has the chemical formula

Question # 15

Phosphine is not obtained by the reaction when

Question # 16

Alkali metals react violently with halogens to form

Question # 17

The acid which has a peroxy linkage is

Question # 18

Marble is chemically

Question # 19

NaHCO3is commonly called

Question # 20

Oleum is

Question # 21

Hypo is used in photography for

Question # 22

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

Question # 23

Corrundam is ore of:

Question # 24

CaC2on hydrolysis form

Question # 25

Which of the following oxides is peroxide?

Question # 26

Sodium forms largely

Question # 27

Carbonates of alkali metals dissolves freely in water to form

Question # 28

Permonosulphuric acid is known as

Question # 29

In the earth crust sodium is

Question # 30

Which is used in navigational equipments?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 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
2 Which shows maximum catenation property?
A. S
B. Se
C. Te
D. O
3 Which of the following elements is not present abundantly in earth's crust?
A. Silicon
B. Aluminium
C. Sodium
D. Oxygen
4 ______ is called milk of magnesia
A. NaOH
B. KOH
C. LiOH
D. None
5 Phosphorus pentoxide finds use as
A. An oxidizing agent
B. A reducing agent
C. A bleaching agent
D. A dehydrating agent
6 Which of the following fluorides does not exists?
A. NF5
B. PF5
C. AsF5
D. SbF5
7 Dipole moment of CO molecule is:
A. 0.0
B. 1.112 D
C. 0.112 D
D. 2.112 D
8 The ore CaSO42H2O has the general name
A. Gypsum
B. Dolomite
C. Calcite
D. Epsom salt
9 The chemical formula of Trona is
A. KCl . MgCl2. 6H2O
B. Na2CO3. 2NaHCO3. 2H2O
C. Na2CO3. H2O
D. KCl
10 When SO2is passed through acidified K2Cr2O7solution
A. The solution turns blue
B. The solution is decolourised
C. SO2is reduced
D. Green Cr2(SO4)3is formed

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