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 of the following compounds is explosive in nature?

Question # 2

The acid which has a peroxy linkage is

Question # 3

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

Question # 4

What is the formula of asbestos?

Question # 5

______ is called milk of magnesia

Question # 6

Plaster of pares is obtained by heating

Question # 7

Which is not the form of silica?

Question # 8

Pb has inert pair of electrons:

Question # 9

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

Question # 10

Which of the following salt is used as purgative

Question # 11

Chile saltpetre has the chemical formula

Question # 12

The electrolytic cell used for the production of metallic sodium is known as

Question # 13

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

Question # 14

What causes nitrogen to be chemically inert?

Question # 15

Silicon atom is hybridized:

Question # 16

What is chrome yellow?

Question # 17

Solvay process is used in the manufacture of

Question # 18

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

Question # 19

NaHCO3is prepared by

Question # 20

Phosphine is not obtained by the reaction when

Question # 21

The silver bromide in hypo (Na2S2O3) solution is

Question # 22

Which salt is used for preserving food

Question # 23

Which of the following compound is industrially prepared by the electrolysis of solution of NaCl

Question # 24

Sodium forms largely

Question # 25

Boric acid cannot be used:

Question # 26

Which one of the following elements occurs free in nature?

Question # 27

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

Question # 28

Copper oxide is dedected by borax bead test with colour:

Question # 29

Gypsum is a common mineral of

Question # 30

In the earth crust sodium is

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Phosphide ion has the electronic structure similar to that of
A. Nitride ion
B. Fluoride ion
C. Sodium ion
D. Chloride ion
2 Which of the following compounds is explosive in nature?
A. Phosphorus trichloride
B. Nitrogen trichloride
C. Hyponitrous acid
D. Nitrosyl chloride
3 The oxide of beryllium is
A. Acidic
B. Amphoteric
C. Superoxide
D. Basic
4 BiCl3on hydrolysis forms a white precipitate of
A. Bismuthio acid
B. Bismuth oxychloride
C. Bismuth pentachloride
D. Bismuth hydroxide
5 Silicon atom is hybridized:
A. sp
B. sp2
C. sp3
D. dsp2
6 Which one of the following does not belong to alkaline earth metals
A. Be
B. Ra
C. Ba
D. Rn
7 As a fixing agent in photography, sodium thisoulphate is used for
A. Dissolving out unreacted silver bromide
B. Converting silver
C. Reducing solubility of AgBr
D. Preventing overdeveloping and fogging
8 Which of the following statement is not related to Solvay's process of Na2CO3
A. Cheap materials
B. Pure product
C. Continuous process
D. Harmful by-products
9 Hypo is used in photography for
A. Developing picture
B. Picture printed
C. The colour of picture
D. The fixation of picture
10 What is going to replace the petroleum?
A. Silica
B. Silicates
C. Silicones
D. Silicon

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