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2. Acids, Bases and Salts
medium
Equal lengths of magnesium ribbons are taken in test tubes $A$ and $B$. Hydrochloric acid $(HCl)$ is added to test tube $A$, while acetic acid $(CH_3COOH)$ is added to test tube $B$. Amount and concentration taken for both the acids are same. In which test tube will the fizzing occur more vigorously and why ?
Option A
Option B
Option C
Option D
Solution
The fizzing will occur strongly in test tube $A$, in which hydrochloric acid $(HCl)$ is added.
This is because $HCl$ is a stronger acid than $CH_3COOH$ and therefore produces hydrogen gas at a faster speed due to which fizzing occurs.
Standard 10
Science
