Question

what happens to the temperature of a conical flask in which hcl is added to zinc granules

Answer 1

Answer:

"When conc. HCl is added to flask containing Zn granules, zinc chloride is formed. Zn + 2HCl --> ZnCl2 + H2 Effervescence of H2 gas will be observed in this reaction. As the reaction is exothermic reaction, temperature of the flask will increase which can be felt by touching.

Explanation:

Answer 2

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These are known as characteristics of a chemical reaction. Let's perform an activity to understand. Take zinc granules in a conical flask and add hydrochloric acid to it and observe. We see that the mixture produces zinc chloride and the temperature of the conical flask is increasing.