Ask Question
19 February, 10:59

Which of these is an indication that a chemical reaction has occurred?

Select all that apply:

melting of a substance

boiling of a substance

formation of a new gas

formation of a precipitate

a new smell is given off

heat is released

+2
Answers (1)
  1. 19 February, 12:34
    0
    Answer: Formation of a new gas

    Formation of a precipitate

    A new smell is given off

    Heat is released

    Explanation: A chemical reaction exhibits the following characteristics: formation of new substance, heat emission is an exothermic process which is due to chemical reactions

    Precipitate formation occurs when insoluble substances are formed in an ionic compound solution.

    And smells or odor are caused by the production of new substances.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Which of these is an indication that a chemical reaction has occurred? Select all that apply: melting of a substance boiling of a substance ...” in 📘 Chemistry if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers