On heating calcium carbonate gets converted into calcium oxide and carbon dioxide. (a) Is this a physical or a chemical change?

0 votes
86 views
asked Nov 6, 2017 in Chemistry by jisu zahaan (28,760 points) 26 375 814

On heating calcium carbonate gets converted into calcium oxide and carbon dioxide. 

(a) Is this a physical or a chemical change? 

(b) Can you prepare one acidic and one basic solution by using the products formed in the above process? If so, write the chemical equation involved.

1 Answer

0 votes
answered Nov 6, 2017 by sforrest072 (157,439 points) 61 410 942
selected Nov 10, 2017 by jisu zahaan
 
Best answer

(a) Chemical change 

(b) Acidic and basic solutions can be prepared by dissolving the products of the above process in water 

CaO+H2O →Ca(OH)2 (basic solution) 

CO2 + H2O→H2 CO3 (acidic solution)

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

One Thought Forever

“There is a close connection between getting up in the world and getting up in the morning.“
– Anon
~~~*****~~~

...