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

Sodium forms largely

Question # 2

The structure of white phosphorus is

Question # 3

Red P can be obtained form white P by

Question # 4

All the elements of oxygen family are

Question # 5

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

Question # 6

Lime, calcium oxide, is used in agriculture for

Question # 7

Baking powder has which one of the following formula

Question # 8

Solvay process is used in the manufacture of

Question # 9

The ore CaSO42H2O has the general name

Question # 10

What causes nitrogen to be chemically inert?

Question # 11

Permonosulphuric acid is known as

Question # 12

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

Question # 13

Which on of the following compounds does not exist?

Question # 14

P2O5is heated with water to give

Question # 15

Alkaline earth metals are usually

Question # 16

Hybridized in oxygen is:

Question # 17

What is the formula of asbestos?

Question # 18

The chemical formula of Trona is

Question # 19

Which one of the following elements occurs free in nature?

Question # 20

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

Question # 21

Which oxide of nitrogen is obtained on heating ammonium nitrate at 250° C?

Question # 22

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

Question # 23

______ reacts with alkalis to give hydrogen

Question # 24

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 25

Group VA of the periodic table consists of the elements N, P, As, Sb and Bi, On passing from N to Bi, the oxides of the elements of general formula M2O3become

Question # 26

The maximum number of electrons in the outermost shall of s-black elements is

Question # 27

CaC2on hydrolysis form

Question # 28

Which of the following elements is not present abundantly in earth's crust?

Question # 29

Calcium carbide reacts with water to produce

Question # 30

Gypsum is applied to the soil to provide calcium and

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Silicon atom is hybridized:
A. sp
B. sp2
C. sp3
D. dsp2
2 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
3 Which is used to remove air bubbles form metals?
A. B
B. Be
C. Mg
D. Al
4 Tincal is a mineral of:
A. Al
B. B
C. Si
D. C
5 Which one of the following elements occurs free in nature?
A. N
B. P
C. As
D. Sb
6 Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly
7 The oxidation number of each element of group l-A is
A. 0
B. +1
C. +2
D. -1
8 Pb has inert pair of electrons:
A. One
B. Two
C. Three
D. Four
9 When a colourless gas is passed through bromine water only decolourisation takes place the gas is
A. SO2
B. HBR
C. HCl
D. H2S
10 Which element form group 15 gives most basic compound with hydrogen?
A. Nitrogen
B. Bismuth
C. Arsenic
D. Phosphorus

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