Question

activity of test of acid, base and salts using turmeric indicators​

Answer 1

Answer:

This activity uses turmeric, a common spice in curry, as an indicator for acidity and basicity. Turmeric is yellow in acid and neutral substances, but turns bright red with bases. Learners can use their indicator to test household chemicals and determine which are basic.

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Answer 2

Answer:

Materials List (per student)

•    ¼ teaspoon turmeric powder
•    ¼ cup isopropyl alcohol (rubbing alcohol)
•    one small jar with a tight-fitting lid
•    one eyedropper or small spoon
•    several small bowls or cups
•    household chemicals to test (soap, vinegar, baking soda, etc.)