True or false:
No heat and light is evolved during a chemical reaction.
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Explanation:
According to the modern view of chemical reactions, bonds between atoms in the reactants must be broken, and the atoms or pieces of molecules are reassembled into products by forming new bonds. ... The opposite of endothermic is exothermic; in an exothermic reaction, energy as heat is evolved.
Answered by
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Answer:
false
in many reactions heat is present
and sometimes light also
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