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

Which of the following element is most reactive

Question # 2

The chemical formula of magnesite is

Question # 3

Ozone is not

Question # 4

Sodium forms largely

Question # 5

The alkali metals form

Question # 6

Some of the elements of a period show similar behavior with the elements of next group in next period this is called

Question # 7

Carbonates of alkali metals dissolves freely in water to form

Question # 8

In the earth crust sodium is

Question # 9

Baking powder has which one of the following formula

Question # 10

Gypsum is a common mineral of

Question # 11

Oleum is

Question # 12

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

Question # 13

Tincal is a mineral of:

Question # 14

Which of the element is not alkali metal

Question # 15

S-block elements consist of

Question # 16

Which of the following statement is not related to Solvay's process of Na2CO3

Question # 17

Identify the incorrect statement with respect to ozone

Question # 18

Chief ore of aluminium is:

Question # 19

Aluminium oxide is:

Question # 20

Which of the following form normal oxide

Question # 21

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

Question # 22

Al is the most element in earth crust:

Question # 23

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

Question # 24

Heavy water is obtained by

Question # 25

Marble is chemically

Question # 26

Which is used to remove air bubbles form metals?

Question # 27

Calcium carbide reacts with water to produce

Question # 28

Which of the following phosphorus is most reactive?

Question # 29

Commercial common salt becomes slight damp on storing because

Question # 30

The ore CaSO42H2O has the general name

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Ozone is not
A. An allotrope
B. A powerful oxidizing agent
C. Paramagnetic
D. A bent molecule
2 Borax is a common mineral of alkali metal sodium. Its formula is
A. Na2B4O7
B. Na2,B4O7. 10H2O
C. Na2B3O6. 10H2O
D. Na2B4O7- 5H2O
3 Sodium hexametaphophate is known as
A. Calgon
B. Permutite
C. Natalite
D. Nitrolim
4 Oleum is
A. Castor oil
B. Oil of vitriol
C. Fuming of H2SO4
D. None of them
5 The electrolytic cell used for the production of metallic sodium is known as
A. Down's cell
B. Solvary's cell
C. Haber's cell
D. None of these
6 Al is the most element in earth crust:
A. O
B. Si
C. Al
D. Pb
7 When SO2is passed through acidified K2Cr2O7solution
A. The solution turns blue
B. The solution is decolourised
C. SO2is reduced
D. Green Cr2(SO4)3is formed
8 The number of electron that are paired in oxygen molecule are
A. 16
B. 12
C. 14
D. 7
9 On alkali and alkaline earth metals down the group, there is decreasing trend in
A. m.p.
B. b.p.
C. Ionization potentiall
D. All of these
10 Which of the following sulphates has the highest solubility in water
A. BaSO4
B. CaSO4
C. MgSO4
D. BeSO4

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