SELECT * FROM question_mgmt as q WHERE id=3599 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=9 AND subId=16 AND chapterId=255 and ex_no='6' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 10th science Carbon and Its Compound what change will you observe if you test soap with

Question:

What change will you observe if you test soap with litmus paper (red and blue)?

Answer:

Since soap is basic in nature, it will turn red litmus blue. However, the colour of blue litmus will remain blue, because soap is sodium salt of fatty acid. It is obtained by treatment of oil with caustic soda. Sodium stearate is thus a salt of weak acid and strong base, so it is alkaline in nature.


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