Question

I won't be able to understand the question

Answer 1

Hey mate ,

In smile words we have to give examples how will you show these following effects in chemical equation!

1. For indicating this we will wrote aq. after the element

2. If heat is evolved during the reaction then it is exothermic reaction .

For indicating this ⬆, we can put this upward arrow

3. If u require heat for carrying out the reaction then it is endothermic reaction

For indicating this we can write heat , sunlight above the arrow

Hope you find it helpful!!!!

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