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

Lime, calcium oxide, is used in agriculture for

Question # 2

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

Question # 3

Which of the following salt is used as purgative

Question # 4

Which is used in navigational equipments?

Question # 5

The acid used in lead storage cells is

Question # 6

Sodium is never found free in nature because of its

Question # 7

Down's cell is used to prepare

Question # 8

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

Question # 9

Francium is an element at the bottom of Group I in the Periodic Table. Which one of the following predication is likely to be correct?

Question # 10

Sodium forms largely

Question # 11

Which of the following element is most reactive

Question # 12

Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly

Question # 13

Which of all following compound is not possible

Question # 14

Chief ore of aluminium is:

Question # 15

Lithium reacts with air to form

Question # 16

Borax is hydrated:

Question # 17

Commercial common salt becomes slight damp on storing because

Question # 18

Orthophosphoric acid is

Question # 19

Which of the following is a tetrabasic acid?

Question # 20

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

Question # 21

What is chrome yellow?

Question # 22

The chemical formula of Trona is

Question # 23

Which of the element is not alkali metal

Question # 24

Sulphuric acid reacts with PCl5to give

Question # 25

Which property is not present in Al?

Question # 26

Crystalline form of sulphur stable at room temperature is

Question # 27

Hybridized in oxygen is:

Question # 28

Which one of the following is not an alkali metal

Question # 29

All the following decompose easily on heating to give oxygen except

Question # 30

LiOH ______ soluble than NaOH

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 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
2 Permonosulphuric acid is known as
A. Marshall's acid
B. Carlo's acid
C. Sulphuric acid
D. None of these
3 Hybridized in oxygen is:
A. sp
B. sp2
C. sp3
D. dsp3
4 Silicon atom is hybridized:
A. sp
B. sp2
C. sp3
D. dsp2
5 The chemical formula of gypsum is
A. CaSO4. 5H2O
B. CaSO4. 4H2O
C. CaSO4. 2H2O
D. None of these
6 Which on of the following compounds does not exist?
A. NCl5
B. AsF5
C. SbCl5
D. PF5
7 Hypo is used in photography for
A. Developing picture
B. Picture printed
C. The colour of picture
D. The fixation of picture
8 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
9 The structure of white phosphorus is
A. Square planar
B. Pyramidal
C. Tetrahedral
D. Trigonal planer
10 The metal with highest electrical resistance at room temperature is
A. Pb
B. Te
C. Po
D. Fe

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