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 formula of lime stone is

Question # 2

Which of the element is not alkali metal

Question # 3

Which of the following has highest dipole moment?

Question # 4

Which of the following is acidic?

Question # 5

The silver bromide in hypo (Na2S2O3) solution is

Question # 6

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

Question # 7

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

Question # 8

Silicon atom is hybridized:

Question # 9

The acid which has a peroxy linkage is

Question # 10

Chile saltpetre has the chemical formula

Question # 11

Which of the following salt is soluble in water

Question # 12

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

Question # 13

NaHCO3is prepared by

Question # 14

The chemical formula of Trona is

Question # 15

Which salt is used for preserving food

Question # 16

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 17

HNO2acts as an/a

Question # 18

Al is the most element in earth crust:

Question # 19

Sodium is manufacture by the electrolysis of fused sodium chloride and not from an aqueous solution of sodium chloride because

Question # 20

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

Question # 21

Which one of the following elements occurs free in nature?

Question # 22

Which of the following salt is used as purgative

Question # 23

The chemical formula of Epson salt is

Question # 24

CaC2on hydrolysis form

Question # 25

Sodium hexametaphophate is known as

Question # 26

Which of the following is not the reactions of lithium

Question # 27

Which shows maximum catenation property?

Question # 28

Which of the following element is most reactive

Question # 29

______ is called milk of magnesia

Question # 30

The acid used in lead storage cells is

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Orthophosphoric acid is
A. Monobasic
B. Dibasic
C. Tribasic
D. Tetrabasic
2 Carbonates of alkali metals dissolves freely in water to form
A. Acidic solutions
B. Neutral solution
C. Alkaline solution
D. None of these
3 The acid used in lead storage cells is
A. Phosphoric acid
B. Nitric acid
C. Sulphuric acid
D. Hydrochloric acid
4 Which is used in navigational equipments?
A. B
B. Be
C. Mg
D. Al
5 BiCl3on hydrolysis forms a white precipitate of
A. Bismuthio acid
B. Bismuth oxychloride
C. Bismuth pentachloride
D. Bismuth hydroxide
6 Phosphine is not obtained by the reaction when
A. White P is heated with NaOH
B. Red P is heated with NaOH
C. Ca2P2reacts with water
D. PH4l is boiled with water
7 Bond angle is minimum for
A. H2O
B. H2S
C. H2Se
D. H2Te
8 Which on of the following compounds does not exist?
A. NCl5
B. AsF5
C. SbCl5
D. PF5
9 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
10 Which of the following sulphates has the highest solubility in water
A. BaSO4
B. CaSO4
C. MgSO4
D. BeSO4

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