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List four obsrvation that help us to determine whether a chemical reactions is taken place |
Answer» <html><body><p><strong>Answer:</strong></p><p>There are <a href="https://interviewquestions.tuteehub.com/tag/four-464592" style="font-weight:bold;" target="_blank" title="Click to know more about FOUR">FOUR</a> visual clues that indicate that a chemical reaction is likely occurring.</p><p>A <a href="https://interviewquestions.tuteehub.com/tag/change-913808" style="font-weight:bold;" target="_blank" title="Click to know more about CHANGE">CHANGE</a> of color <a href="https://interviewquestions.tuteehub.com/tag/occurs-1127848" style="font-weight:bold;" target="_blank" title="Click to know more about OCCURS">OCCURS</a> during the reaction.</p><p>A gas is produced during the reaction.</p><p>A <a href="https://interviewquestions.tuteehub.com/tag/solid-1216587" style="font-weight:bold;" target="_blank" title="Click to know more about SOLID">SOLID</a> product called a precipitate is produced in the reaction.</p><p>A transfer of <a href="https://interviewquestions.tuteehub.com/tag/energy-15288" style="font-weight:bold;" target="_blank" title="Click to know more about ENERGY">ENERGY</a> occurs as a result of the reaction.</p></body></html> | |