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

00:00
Question # 1

Heavy water is obtained by

Question # 2

NaHCO3is commonly called

Question # 3

Which property is not present in Al?

Question # 4

Which metal of Group-II A of the periodic Table, will form the least ionic chloride

Question # 5

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

Question # 6

Chile saltpetre has the chemical formula

Question # 7

Which of the following sulphates is not soluble in water

Question # 8

Al is the most element in earth crust:

Question # 9

Calcium carbide reacts with water to produce

Question # 10

The element caesium bears resemblance with

Question # 11

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

Question # 12

Which is an essential constituent of chlorophyll

Question # 13

Which salt is used for preserving food

Question # 14

Which of the following are electropositive in nature

Question # 15

Sulphuric acid reacts with PCl5to give

Question # 16

The silver bromide in hypo (Na2S2O3) solution is

Question # 17

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 # 18

The number of electron that are paired in oxygen molecule are

Question # 19

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

Question # 20

______ reacts with alkalis to give hydrogen

Question # 21

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

Question # 22

Which of the following is the hardest metal among following

Question # 23

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

Question # 24

What is the formula of asbestos?

Question # 25

Marble is chemically

Question # 26

Corrundam is ore of:

Question # 27

Which shows maximum catenation property?

Question # 28

Which of the following is a tetrabasic acid?

Question # 29

Sodium forms largely

Question # 30

Which of the following element is most reactive

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of the following compound is industrially prepared by the electrolysis of solution of NaCl
A. Na2CO3
B. NaHCO3
C. NaOH
D. NaOCl
2 Alkaline earth metals posses two electrons in their outermost
A. F-orbital
B. D-orbital
C. S-orbital
D. P-orbital
3 The chemical formula of Trona is
A. KCl . MgCl2. 6H2O
B. Na2CO3. 2NaHCO3. 2H2O
C. Na2CO3. H2O
D. KCl
4 ______ is called milk of magnesia
A. NaOH
B. KOH
C. LiOH
D. None
5 Chemical composition of colemnite is:
A. Ca2B6O11.5H2O
B. CaB4O7 .4 H2O
C. Na2B7O7. 4 H2O
D. CaNaB5O9.8H2O
6 Calcium carbide reacts with water to produce
A. Acetylene
B. Methane
C. Ethylene
D. Ethane
7 Hybridized in carbon is:
A. sp
B. sp2
C. sp3
D. d2sp
8 Which of the following compounds is explosive in nature?
A. Phosphorus trichloride
B. Nitrogen trichloride
C. Hyponitrous acid
D. Nitrosyl chloride
9 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
10 The alkaline earth elements have in their s-orbital
A. One electron
B. Two electron
C. No electron
D. Three electron

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