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

Ozone is not

Question # 2

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

Question # 3

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

Question # 4

Borax is hydrated:

Question # 5

The chemical formula of gypsum is

Question # 6

Which of the following is a tetrabasic acid?

Question # 7

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

Question # 8

Which has soapy touch?

Question # 9

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

Question # 10

Sodium is never found free in nature because of its

Question # 11

Permonosulphuric acid is known as

Question # 12

The alkaline earth elements have in their s-orbital

Question # 13

A compound used as eye wash:

Question # 14

Which salt is used for preserving food

Question # 15

Which of the element is not an alkaline earth metal

Question # 16

Which one of the following properties is not correct for ozone?

Question # 17

CaC2on hydrolysis form

Question # 18

Which carbonate of alkali metals is insoluble in water

Question # 19

Density of aluminium is (g cm-3):

Question # 20

Identify the incorrect statement with respect to ozone

Question # 21

Which of the following is lighter

Question # 22

Sodium forms largely

Question # 23

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

Question # 24

Which of the following elements is most metallic?

Question # 25

Sulphuric acid has great affinity for water because

Question # 26

Which element has highest oxidation potential

Question # 27

Which of the following is the hardest metal among following

Question # 28

Which of the following compound is industrially prepared by the electrolysis of solution of NaCl

Question # 29

The oxide of beryllium is

Question # 30

When SO2is passed through acidified K2Cr2O7solution

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Phosphine is not obtained by the reaction when
A. White P is heated with NaOH
B. Red P is heated with NaOH
C. Ca2P2reacts with water
D. PH4l is boiled with water
2 NaHCO3is commonly called
A. Soda ash
B. Baking soda
C. Washing soda
D. None of these
3 Solvay process is used in the manufacture of
A. Na2CO3
B. NaHCO3
C. CaCl2
D. All
4 Which of the following has highest dipole moment?
A. NH3
B. PH3
C. AsH3
D. SbH3
5 Lithium reacts with air to form
A. Peroxide
B. Normal oxide
C. Superoxide
D. None of these
6 Which of the following is lighter
A. Li
B. k
C. Na
D. Ca
7 P2O5is heated with water to give
A. Hypophosphorus acid
B. Phosphorus acid
C. Hypophosphorus acid
D. Orthophosphorus acid
8 Copper oxide is dedected by borax bead test with colour:
A. Blue
B. Red
C. Yellow
D. Black
9 Phosphide ion has the electronic structure similar to that of
A. Nitride ion
B. Fluoride ion
C. Sodium ion
D. Chloride ion
10 Which one of the following elements occurs free in nature?
A. N
B. P
C. As
D. Sb

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