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

On alkali and alkaline earth metals down the group, there is decreasing trend in

Question # 2

Which element forms an iron with charge 3+?

Question # 3

The chemical formula of chile salt peter is

Question # 4

The chemical formula of magnesite is

Question # 5

Hybridized in carbon is:

Question # 6

Hybridized in oxygen is:

Question # 7

Which of the following element is most reactive

Question # 8

What is going to replace the petroleum?

Question # 9

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

Question # 10

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

Question # 11

All the following decompose easily on heating to give oxygen except

Question # 12

Which one of the following does not belong to alkaline earth metals

Question # 13

Which of the following equations represents the action of heat on NaHCO3

Question # 14

Plaster of pares is obtained by heating

Question # 15

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

Question # 16

Which of the following is formed by the action of water on sodium peroxide?

Question # 17

Phosphorus pentoxide finds use as

Question # 18

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

Question # 19

The chemical formula of Trona is

Question # 20

The element caesium bears resemblance with

Question # 21

The ore CaSO42H2O has the general name

Question # 22

The formula of lime stone is

Question # 23

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

Question # 24

Which of the following is acidic?

Question # 25

The number of electron that are paired in oxygen molecule are

Question # 26

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

Question # 27

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

Question # 28

Oleum is

Question # 29

Basicity of orthoposphoric acid is

Question # 30

The silver bromide in hypo (Na2S2O3) solution is

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Dipole moment of CO molecule is:
A. 0.0
B. 1.112 D
C. 0.112 D
D. 2.112 D
2 ______ gives peroxide
A. Li
B. Ba
C. Sr
D. Be
3 ______ is used in breathing equipments for mountaineers and in space craft
A. Li2O
B. BeO
C. N2
D. KO2
4 Which one of the following does not belong to alkaline earth metals
A. Be
B. Ra
C. Ba
D. Rn
5 Gypsum is applied to the soil to provide calcium and
A. Oxygen
B. Nitrogen
C. Phosphorous
D. Sulphur
6 Which one of the following is not an alkali metal
A. Francium
B. Caesium
C. Rubidium
D. Radium
7 Sodium is never found free in nature because of its
A. Chemical reactivity
B. Small ionic size
C. Small atomic volume
D. None of these
8 Potassium superoxide has a use in breathing equipment in space crafts. The balanced equation for the reaction is
9 Which has soapy touch?
A. Na2B4O7
B. H3BO3
C. Ca2B6O11
D. HBO2
10 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

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