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

Gypsum is applied to the soil to provide calcium and

Question # 2

Which of the following is not the reactions of lithium

Question # 3

Phosphine is not obtained by the reaction when

Question # 4

Which of the following statement is not related to Solvay's process of Na2CO3

Question # 5

Orthophosphoric acid is

Question # 6

The element caesium bears resemblance with

Question # 7

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

Question # 8

White P when boiled with strong solution of caustic soda produces

Question # 9

White phosphorus is

Question # 10

Which of the following compounds is explosive in nature?

Question # 11

Crystalline form of sulphur stable at room temperature is

Question # 12

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

Question # 13

What is chrome yellow?

Question # 14

Which of all following compound is not possible

Question # 15

NaHCO3is prepared by

Question # 16

Which has soapy touch?

Question # 17

Which of the element is not alkali metal

Question # 18

Sometimes a yellow turbidity appears while passing H2S gas even in the absence of II group radicals. This is because

Question # 19

The alkali metals form

Question # 20

Basicity of orthoposphoric acid is

Question # 21

______ reacts with alkalis to give hydrogen

Question # 22

Which of the following phosphorus is most reactive?

Question # 23

The formula of lime stone is

Question # 24

Corrundam is ore of:

Question # 25

Borax is hydrated:

Question # 26

Lime, calcium oxide, is used in agriculture for

Question # 27

In a group IIA from top to bottom as the atomic number increases, there is regular decreases in

Question # 28

Phosphide ion has the electronic structure similar to that of

Question # 29

The number of unpaired electrons in the p-subshell of oxygen atom

Question # 30

Marble is chemically

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which element among the following belongs to Group IV-A of the periodic table?
A. Barium
B. Iodine
C. Lead
D. Oxygen
2 Hybridized in carbon is:
A. sp
B. sp2
C. sp3
D. d2sp
3 CaC2on hydrolysis form
A. CH4
B. C2H4
C. C2H2
D. C6H6
4 Chief ore of aluminium is:
A. Na3AIF6
B. Al2O3.2H2O
C. Al2O3
D. Al2O3 .H2O
5 Which of the following sulphates is not soluble in water
A. Sodium sulphate
B. Potassium sulphate
C. Zinc sulphate
D. Barium sulphate
6 Which has soapy touch?
A. Na2B4O7
B. H3BO3
C. Ca2B6O11
D. HBO2
7 Alkali metals react violently with halogens to form
A. Hydrides
B. Halides
C. Anyhydrides
D. None of these
8 Which on of the following compounds does not exist?
A. NCl5
B. AsF5
C. SbCl5
D. PF5
9 The alkaline earth elements have in their s-orbital
A. One electron
B. Two electron
C. No electron
D. Three electron
10 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

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