Question

The following observations were made when the indicators were added to three unknown solutions A, B, and C. Choose the option depicting the correct set of substances A, B, and C.

Compound	Phenolphthalein	China Rose
A	No change	No change
B	Pink	Green
C	No change	Dark Pink

• A. A: Glucose; B: Sodium hydroxide; C: Nitric acid
• B. A: Sodium hydroxide; B: Lactic acid; C: Glucose
• C. A: Citric acid; B: Sodium hydroxide; C: Glucose
• D. A: Oxalic acid; B: Glucose; C: Sodium hydroxide

Answer 1

The correct option is A A: Glucose; B: Sodium hydroxide; C: Nitric acid