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

Which element among the following belongs to Group IV-A of the periodic table?

Question # 2

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

Question # 3

Which of the following is a tetrabasic acid?

Question # 4

Copper oxide is dedected by borax bead test with colour:

Question # 5

Which on of the following compounds does not exist?

Question # 6

Which element has highest oxidation potential

Question # 7

Tincal is a mineral of:

Question # 8

When ammonia is heated with cupric oxide, a molecule of ammonia will

Question # 9

Which of the element is not an alkaline earth metal

Question # 10

______ gives peroxide

Question # 11

Basicity of orthoposphoric acid is

Question # 12

Which colour is imparted by sodium

Question # 13

Potassium superoxide has a use in breathing equipment in space crafts. The balanced equation for the reaction is

Question # 14

The acid which has a peroxy linkage is

Question # 15

The structure of white phosphorus is

Question # 16

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

Question # 17

Which of the following oxides is peroxide?

Question # 18

Sulphuric acid has great affinity for water because

Question # 19

What is going to replace the petroleum?

Question # 20

Which salt is used for the treatment of hyperacidity in stomach

Question # 21

Hypo is used in photography for

Question # 22

CaC2on hydrolysis form

Question # 23

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

Question # 24

As a fixing agent in photography, sodium thisoulphate is used for

Question # 25

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

Question # 26

Chief ore of aluminium is:

Question # 27

Sodium forms largely

Question # 28

Which of the following elements is most metallic?

Question # 29

Gypsum is applied to the soil to provide calcium and

Question # 30

Marble is chemically

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Permonosulphuric acid is known as
A. Marshall's acid
B. Carlo's acid
C. Sulphuric acid
D. None of these
2 Which of the following is not the reactions of lithium
3 Phosphide ion has the electronic structure similar to that of
A. Nitride ion
B. Fluoride ion
C. Sodium ion
D. Chloride ion
4 Red P can be obtained form white P by
A. Heating it with a catalyst in an inert atmosphere
B. Distilling it in an inert atmosphere
C. Dissolving it in CS2and crysllizing
D. Melting it ad pouring the liquid into water
5 S-block elements consist of
A. Alkali metals
B. Alkaline earth metals
C. Alkali and alkaline earth metals
D. None of these
6 Where lime is not used
A. In refining or metals
B. In paper industry
C. In glass industry
D. In the preparation of NaOH
7 Sometimes a yellow turbidity appears while passing H2S gas even in the absence of II group radicals. This is because
A. Sulphur is present in the mixture as impurity
B. IV group radicals are precipitated as sulphides
C. Of the oxidation of H2S gas by some acid radicals
D. III group radicals are precipitated as hydroxides
8 Baking powder has which one of the following formula
A. Na2CO3
B. Na2SO4
C. NaHCO3
D. K2CO3
9 Which element has highest oxidation potential
A. Li
B. Be
C. Ba
D. Ra
10 Alkali metals react violently with halogens to form
A. Hydrides
B. Halides
C. Anyhydrides
D. None of these

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