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Equal lenghts of magnesium ribbons are t...

Equal lenghts of magnesium ribbons are taken is 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 wil the fizzing occur more vigorously and why?

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