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 should be stored in

Question # 2

Baking powder has which one of the following formula

Question # 3

Solvay process is used in the manufacture of

Question # 4

Where lime is not used

Question # 5

Marble is chemically

Question # 6

When a colourless gas is passed through bromine water only decolourisation takes place the gas is

Question # 7

Plaster of pares is obtained by heating

Question # 8

Which of the element is not alkali metal

Question # 9

Which is used to remove air bubbles form metals?

Question # 10

Which salt is used for preserving food

Question # 11

The acid used in lead storage cells is

Question # 12

Red P can be obtained form white P by

Question # 13

Which property is not present in Al?

Question # 14

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

Question # 15

Which of the following elements is most metallic?

Question # 16

Which of the following sulphates has the highest solubility in water

Question # 17

Which of the following element is most reactive

Question # 18

Gypsum is applied to the soil to provide calcium and

Question # 19

The structure of white phosphorus is

Question # 20

Permonosulphuric acid is known as

Question # 21

Hybridized in carbon is:

Question # 22

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

Question # 23

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

Question # 24

Alkaline earth metals posses two electrons in their outermost

Question # 25

The chemical formula of chile salt peter is

Question # 26

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

Question # 27

Which will have the maximum value of heat of hydration

Question # 28

All the following decompose easily on heating to give oxygen except

Question # 29

The oxyacids of phosphorus in which phosphorus has the lowest oxidiation state is

Question # 30

Bond angle is minimum for

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Alkali metals react violently with halogens to form
A. Hydrides
B. Halides
C. Anyhydrides
D. None of these
2 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
3 Hybridized in carbon is:
A. sp
B. sp2
C. sp3
D. d2sp
4 ______ is called milk of magnesia
A. NaOH
B. KOH
C. LiOH
D. None
5 Commercial common salt becomes slight damp on storing because
A. Common salt is hygroscope
B. Common salt contains some impurity, which is hygroscopic
C. Salt in efflorescent
D. Salt is crystalline
6 Which one of the following pentafluorides cannot be formed?
A. PF5
B. AsF5
C. SbF5
D. BiF5
7 In a group IIA from top to bottom as the atomic number increases, there is regular decreases in
A. Ionic size
B. Atomic size
C. Ionization potential
D. None of these
8 The maximum number of electrons in the outermost shall of s-black elements is
A. One
B. Two
C. Three
D. Four
9 Pb has inert pair of electrons:
A. One
B. Two
C. Three
D. Four
10 Which of the element is not alkali metal
A. Lithium
B. Rubidium
C. Francium
D. Magnesium

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