list the observations where chemical changes are accompanied by other changes
Answers
Answered by
0
a candle undergoes combustion and the candle melts this has both chemical and physical changes
Answered by
0
"A chemical change involves formation of a new substance whose properties differ from that of the reacting substances.
Color change indicates a chemical change.
Gain or loss of energy.
Change in odor is an indication of a chemical change.
For eg. the reaction between sodium hydroxide (NaOH) and hydrochloric acid (HCl) to form sodium chloride (NaCl) or table salt.
"
Similar questions