Join IDNLearn.com and become part of a knowledge-sharing community that thrives on curiosity. Our experts are ready to provide in-depth answers and practical solutions to any questions you may have.
Which evidence is an indication that a chemical reaction has occurred?
A Freezing of a substance
B formation of a gas
C boiling of a substance
D melting of a substance
When you have a substance melt freeze or boil it just changes it physical characteristics but when you a substance produces gas you have chemical reactions and molecular changes happening.
We are delighted to have you as part of our community. Keep asking, answering, and sharing your insights. Together, we can create a valuable knowledge resource. Your questions deserve accurate answers. Thank you for visiting IDNLearn.com, and see you again for more solutions.