Question

write the evidences of chemical reaction​

Answer 1

Answer:

   ⇒Change of odor.

   ⇒Change of color (for example, silver to reddish-brown when iron rusts).

    ⇒Change in temperature or energy, such as the production (exothermic) or loss (endothermic) of heat.

    ⇒Change of composition - paper turning to ash when burned.

    ⇒Light and/or heat given off.

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Answer 2

❄️AήSŴᗴＲ❄️

A color change, formation of a precipitate or a gas, or temperature changes are the evidences of a chemical reaction.

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