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

HNO2acts as an/a

Question # 2

The chemical formula of Trona is

Question # 3

Sodium hexametaphophate is known as

Question # 4

Marble is chemically

Question # 5

Baking powder has which one of the following formula

Question # 6

Copper oxide is dedected by borax bead test with colour:

Question # 7

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

Question # 8

Sulphuric acid reacts with PCl5to give

Question # 9

Alkali metals react violently with halogens to form

Question # 10

Which of the following elements is most metallic?

Question # 11

What is chrome yellow?

Question # 12

Corrundam is ore of:

Question # 13

Which is litharge or massicot?

Question # 14

Phosphorus pentoxide finds use as

Question # 15

Down's cell is used to prepare

Question # 16

The ore CaSO42H2O has the general name

Question # 17

All the elements of oxygen family are

Question # 18

Aluminium oxide is:

Question # 19

The element which has a simple cubic lattice in solid state is

Question # 20

The element caesium bears resemblance with

Question # 21

Which salt is used for the treatment of hyperacidity in stomach

Question # 22

Which of the following is a tetrabasic acid?

Question # 23

Which of all following compound is not possible

Question # 24

Which has soapy touch?

Question # 25

Which of the element is not an alkaline earth metal

Question # 26

Hybridized in oxygen is:

Question # 27

Which of the following compounds is explosive in nature?

Question # 28

Dipole moment of CO molecule is:

Question # 29

NaHCO3is prepared by

Question # 30

The chemical formula of chile salt peter is

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Copper oxide is dedected by borax bead test with colour:
A. Blue
B. Red
C. Yellow
D. Black
2 The oxidation number of each element of group ll-A is
A. 0
B. +1
C. +2
D. -1
3 Which of the following has highest dipole moment?
A. NH3
B. PH3
C. AsH3
D. SbH3
4 Sodium hexametaphophate is known as
A. Calgon
B. Permutite
C. Natalite
D. Nitrolim
5 Which one of the following elements occurs free in nature?
A. N
B. P
C. As
D. Sb
6 Chile saltpetre has the chemical formula
A. NaNO3
B. KNO3
C. Na2B4O7
D. Na2CO3H2O
7 When a colourless gas is passed through bromine water only decolourisation takes place the gas is
A. SO2
B. HBR
C. HCl
D. H2S
8 Each of the following is true of white and red phosphours except that they
A. Are both soluble in CS2
B. Can be oxidized by heating in air
C. Consist of the same kind of atoms
D. Can be converted into one another
9 Pb has inert pair of electrons:
A. One
B. Two
C. Three
D. Four
10 Alkaline earth metals are usually
A. Reducing agent
B. Oxidizing agent
C. Amphoteric
D. Acidic

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