7.What is the difference between Exothermic and Endothermic reactions?

A chemical reaction that releases energy, usually in the form of heat. What's the main difference between an exothermic and endothermic reaction? An exothermic reaction releases energy and feels warm while an endothermic reaction absorbs energy and feels cool.

Explanation:

What is endothermic and exothermic reaction with example?

Endothermic and exothermic reactions are chemical reactions that absorb and release heat, respectively. A good example of an endothermic reaction is photosynthesis. Combustion is an example of an exothermic reaction. The categorization of a reaction as endo- or exothermic depends on the net heat transfer.

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answer: e.   sour taste

explanation: acids are those substances which dissociates in water to give ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. acids are sour in taste. example: hcl

bases are those substances which dissociates in water to give ions or accepts ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. bases are bitter in taste. bases are slippery in nature.