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

The acid used in lead storage cells is

Question # 2

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

Question # 3

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

Question # 4

Which salt is used for the treatment of hyperacidity in stomach

Question # 5

Corrundam is ore of:

Question # 6

Which is used to remove air bubbles form metals?

Question # 7

HNO2acts as an/a

Question # 8

The electrolytic cell used for the production of metallic sodium is known as

Question # 9

Carbonates of alkali metals dissolves freely in water to form

Question # 10

The number of electron that are paired in oxygen molecule are

Question # 11

Which element has highest oxidation potential

Question # 12

BiCl3on hydrolysis forms a white precipitate of

Question # 13

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

Question # 14

Which has soapy touch?

Question # 15

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

Question # 16

Which of the following has highest dipole moment?

Question # 17

______ gives peroxide

Question # 18

Down's cell is used to prepare

Question # 19

Which of the following phosphorus is most reactive?

Question # 20

CaC2on hydrolysis form

Question # 21

A compound used as eye wash:

Question # 22

Baking powder has which one of the following formula

Question # 23

______ is called milk of magnesia

Question # 24

Aluminium oxide is:

Question # 25

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

Question # 26

Permonosulphuric acid is known as

Question # 27

Which of all following compound is not possible

Question # 28

Sodium should be stored in

Question # 29

Which one of the following elements occurs free in nature?

Question # 30

Which of the following salt is soluble in water

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The acid used in lead storage cells is
A. Phosphoric acid
B. Nitric acid
C. Sulphuric acid
D. Hydrochloric acid
2 Alkaline earth metals posses two electrons in their outermost
A. F-orbital
B. D-orbital
C. S-orbital
D. P-orbital
3 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
A. Stronger reducing agents
B. More ionic
C. More basic
D. More volatile
4 Which of the following is not the reactions of lithium
5 Which of the following is a tetrabasic acid?
A. ORthophosphoric acid
B. Hyposphosphorus acid
C. Metaphosphoric
D. Pyrophosphoric acid
6 Which element among the following belongs to Group IV-A of the periodic table?
A. Barium
B. Iodine
C. Lead
D. Oxygen
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 When ammonia is heated with cupric oxide, a molecule of ammonia will
A. Gain 3 electrons
B. Lose 3 electrons
C. Gain 2 electrons
D. Lose 2 electrons
9 Chemical composition of colemnite is:
A. Ca2B6O11.5H2O
B. CaB4O7 .4 H2O
C. Na2B7O7. 4 H2O
D. CaNaB5O9.8H2O
10 Marble is chemically
A. CaCl2
B. CaCO3
C. Na2CO3
D. NaHCO3

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