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Quiz about Inorganic Chemistry
Quiz about Inorganic Chemistry

10 Inorganic Chemistry Questions | Chemistry Trivia Quiz

Inorganic Chemistry has its own right to glory. This quiz is meant for those who have had at least a Freshman's course.

A multiple-choice quiz by sanjith. Estimated time: 5 mins.
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Author
sanjith
Time
5 mins
Type
Multiple Choice
Quiz #
76,935
Updated
Dec 03 21
# Qns
10
Difficulty
Very Difficult
Avg Score
3 / 10
Plays
3771
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Question 1 of 10
1. Which of the following is an ore of Lead? Hint


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Question 2 of 10
2. Desilverization of lead is done by Hint


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Question 3 of 10
3. Which of the following cannot form pentahalides? Hint


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Question 4 of 10
4. Which of the following terms is often used to describe the structure of hydrogen peroxide? Hint


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Question 5 of 10
5. Thenard's Blue is associated with Hint


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Question 6 of 10
6. Calcium cyanamide on hydrolysis with water gives Hint


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Question 7 of 10
7. The ammonium salt which does not liberate ammonia on heating is Hint


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Question 8 of 10
8. The naturally radioactive halogen is

Answer: (One Word)

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Question 9 of 10
9. In 1986,Mathias prepared a ceramic Lanthanum Barium copper oxide.At what temperature does this behave as a superconductor? Hint


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Question 10 of 10
10. Pick out the actinide Hint



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Quiz Answer Key and Fun Facts
1. Which of the following is an ore of Lead?

Answer: Cerrusite

 The rest are ores of Nickel. Cerrusite is lead carbonate. However,the chief ore of lead is galena-a sulphide ore. Lead can be extracted from galena by self reduction or carbon reduction process.
2. Desilverization of lead is done by

Answer: Parke's process

 Parke's process and Pattinson's process are two common methods to desilverize lead. Purification is done by cupellation.
3. Which of the following cannot form pentahalides?

Answer: Nitrogen

 Nitrogen cannot form pentahalides as it cannot expand its valence shell due to non availability of d orbitals.
4. Which of the following terms is often used to describe the structure of hydrogen peroxide?

Answer: Open book

 Hydrogen peroxide has a structure with its constituent elements forming a shape similar to that of an open book. Banana structure is that of diborane.
5. Thenard's Blue is associated with

Answer: Aluminium

 Aluminium salts give a blue ash in the cobalt nitrate test. When heated with cobalt nitrate and conc.nitric acid,they yield the characteristic bluish ash.
6. Calcium cyanamide on hydrolysis with water gives

Answer: Calcium carbonate and ammonia

 This is of use in the fertilizer industry.
7. The ammonium salt which does not liberate ammonia on heating is

Answer: Ammonium nitrate

 Ammonium nitrate,ammonium dichromate and ammonium nitrite liberate nitrous oxide,nitrogen and nitrogen respectively on heating.
8. The naturally radioactive halogen is

Answer: Astatine

Astatine is a halogen and is naturally radioactive as it has an atomic number greater than 82.
9. In 1986,Mathias prepared a ceramic Lanthanum Barium copper oxide.At what temperature does this behave as a superconductor?

Answer: 35K

 This was a revolutionary discovery in the field of superconductivity.For a long time,people were stuck at 23K transition temperature.This was a good step forward in the direction of room temperature superconductivity(yet to be realized).
10. Pick out the actinide

Answer: Plutonium

 The rest are lanthanides.Actinides are elements with atomic numbers in the range 89-103.(Actinium to Lawrencium).
Source: Author sanjith

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Referenced Topics
Science   Chemistry   Chemistry Mix   Blue  

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