On adding blue litmus solution to both the test tubes, the colour of test tube A will change from blue to red while the colour of test tube B will remain the same. This is because hydrochloric acid is acidic and acid turns blue litmus to red. Sodium hydroxide being basic will not change the colour of blue litmus.
Answers & Comments
Explanation:
On adding blue litmus solution to both the test tubes, the colour of test tube A will change from blue to red while the colour of test tube B will remain the same. This is because hydrochloric acid is acidic and acid turns blue litmus to red. Sodium hydroxide being basic will not change the colour of blue litmus.
Answer:
when we test acid gas with blue litmus, It turns red. if we test basic gas with blue litmus, no colour is changed.
Explanation:
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