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

Aluminium oxide is:

Question # 2

Which of the following are electropositive in nature

Question # 3

Identify the incorrect statement with respect to ozone

Question # 4

Solvay process is used in the manufacture of

Question # 5

Which of the following form normal oxide

Question # 6

The alkali metals form

Question # 7

Which one of the following elements occurs free in nature?

Question # 8

What causes nitrogen to be chemically inert?

Question # 9

Which of the following phosphorus is most reactive?

Question # 10

NaHCO3is commonly called

Question # 11

Density of aluminium is (g cm-3):

Question # 12

Alkali metals react violently with halogens to form

Question # 13

Lime, calcium oxide, is used in agriculture for

Question # 14

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

Question # 15

A compound used as eye wash:

Question # 16

Hybridized in oxygen is:

Question # 17

Which salt is used for the treatment of hyperacidity in stomach

Question # 18

Heavy water is obtained by

Question # 19

Borax is a common mineral of alkali metal sodium. Its formula is

Question # 20

Each of the following is true of white and red phosphours except that they

Question # 21

Chile saltpetre has the chemical formula

Question # 22

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

Question # 23

Alkaline earth metals are usually

Question # 24

White P when boiled with strong solution of caustic soda produces

Question # 25

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

Question # 26

Which colour is imparted by sodium

Question # 27

The number of electron that are paired in oxygen molecule are

Question # 28

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

Question # 29

Sodium forms largely

Question # 30

Phosphide ion has the electronic structure similar to that of

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The maximum number of electrons in the outermost shall of s-black elements is
A. One
B. Two
C. Three
D. Four
2 Red P can be obtained form white P by
A. Heating it with a catalyst in an inert atmosphere
B. Distilling it in an inert atmosphere
C. Dissolving it in CS2and crysllizing
D. Melting it ad pouring the liquid into water
3 Copper oxide is dedected by borax bead test with colour:
A. Blue
B. Red
C. Yellow
D. Black
4 Which one of the following properties is not correct for ozone?
A. It oxidizes lead sulphides
B. It oxidizes potassium iodide
C. It oxidizes mercury
D. It cannot act as a bleaching agent
5 The element which has a simple cubic lattice in solid state is
A. Se
B. Te
C. Po
D. None of these
6 Which is not the form of silica?
A. Amethyst quatz
B. Rose quatz
C. Smoky
D. None of these
7 Baking powder has which one of the following formula
A. Na2CO3
B. Na2SO4
C. NaHCO3
D. K2CO3
8 Which of the following form normal oxide
A. K
B. Li
C. Na
D. None
9 Which of the following is a tetrabasic acid?
A. ORthophosphoric acid
B. Hyposphosphorus acid
C. Metaphosphoric
D. Pyrophosphoric acid
10 The oxidation number of each element of group ll-A is
A. 0
B. +1
C. +2
D. -1

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