What happens when: (4) Two litmus strips are placed in a beaker containing sulphuric acid؟
إجابة الطالب المختصرة من خلال موقع بوابة الإجابات هي
When two litmus strips (one red and one blue) are placed in a beaker containing sulfuric acid (H₂SO₄), the following happens: The red litmus paper remains red, as acids do not affect red litmus. The blue litmus paper turns red, indicating the presence of an acid.
Here's what happens when you place two litmus strips in a beaker containing sulfuric acid:
* **Color Change:** Both litmus strips will turn **red**.
* **Blue litmus paper** turns red in the presence of acid.
* **Red litmus paper** remains red in the presence of acid.
* **Reason:** Sulfuric acid (H2SO4) is a strong acid. It donates hydrogen ions (H+) in solution, making the solution acidic. Litmus paper contains dyes that are sensitive to pH changes. In acidic conditions (low pH), the dyes undergo a chemical change that causes them to appear red.
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