Which of the following statements is incorrect?
A. Phenolphthalein turns pink in soap solution
B. Non-metallic oxides are acidic in nature
C. Lemon contains citric acid
D. The alkaline nature of sodium hydroxide (NaOH) is due to the presence of sodium ions
Answer: Option D
This Question Belongs to Chemistry GK Chapter Wise >> Acid, Base And Salts
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