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

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?

Question # 2

Alkaline earth metals are usually

Question # 3

The alkali metals form

Question # 4

The metal with highest electrical resistance at room temperature is

Question # 5

NaHCO3is commonly called

Question # 6

Phosphorus pentoxide finds use as

Question # 7

Which metal is used in the thermit process because of its activity?

Question # 8

Baking powder has which one of the following formula

Question # 9

The number of electron that are paired in oxygen molecule are

Question # 10

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

Question # 11

Which of the element is not an alkaline earth metal

Question # 12

The oxide of beryllium is

Question # 13

Which of the following salt is used as purgative

Question # 14

White phosphorus is

Question # 15

Red P can be obtained form white P by

Question # 16

Sodium should be stored in

Question # 17

Which on of the following compounds does not exist?

Question # 18

Carbonates of alkali metals dissolves freely in water to form

Question # 19

Plaster of pares is obtained by heating

Question # 20

Marble is chemically

Question # 21

Which one of the following is not an alkali metal

Question # 22

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

Question # 23

The formula of lime stone is

Question # 24

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

Question # 25

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

Question # 26

Which of the following element is most reactive

Question # 27

Which of the following is a tetrabasic acid?

Question # 28

Aluminium oxide is:

Question # 29

Dipole moment of CO molecule is:

Question # 30

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

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Sodium should be stored in
A. Air free from moisture
B. Air free form carbon dioxide
C. Under water
D. Under kerosene oil
2 Which one of the following elements occurs free in nature?
A. N
B. P
C. As
D. Sb
3 Which has soapy touch?
A. Na2B4O7
B. H3BO3
C. Ca2B6O11
D. HBO2
4 Lithium reacts with air to form
A. Peroxide
B. Normal oxide
C. Superoxide
D. None of these
5 Phosphorus pentoxide finds use as
A. An oxidizing agent
B. A reducing agent
C. A bleaching agent
D. A dehydrating agent
6 The element caesium bears resemblance with
A. Ca
B. Cr
C. Rubidium
D. None of the above
7 NaHCO3is commonly called
A. Soda ash
B. Baking soda
C. Washing soda
D. None of these
8 Chief ore of aluminium is:
A. Na3AIF6
B. Al2O3.2H2O
C. Al2O3
D. Al2O3 .H2O
9 The metal with highest electrical resistance at room temperature is
A. Pb
B. Te
C. Po
D. Fe
10 Which of the following compound is industrially prepared by the electrolysis of solution of NaCl
A. Na2CO3
B. NaHCO3
C. NaOH
D. NaOCl

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