In a test-tube, hydrochloric acid is poured over a few zinc granules. List two observations that suggest that a chemical reaction has occurred.

In a test-tube, hydrochloric acid is poured over a few zinc granules. List two observations that suggest that a chemical reaction has occurred.

2HCl + Zn → ZnCl₂+H₂

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

(i) A colourless gas is evolved.

(ii) Test-tube becomes hot.

4 views Answered 2023-02-05 15:29

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