Question

make a chemistry project on natural indicator like tumeric powder for class 10
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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. This activity requires adult supervision since it uses isopropyl alcohol, also known as rubbing alcohol. This activity (located on page 2 of the PDF) is one of three activities in the Take Home guide for the Everyday Chemistry unit in OMSI's Chemistry Lab. Included in the PDF are two additional activities: Iron in Cereal and Mystery Writing.

Quick Guide

Preparation Time:

5 to 10 minutes

Learning Time:

10 to 30 minutes

Estimated Materials Cost:

$1 - $5 per student

Age Range:

Ages 11 - 14

Resource Types:

Activity, Experiment/Lab Activity

Language:

English

Materials List (per student)

¼ teaspoon turmeric powder¼ cup isopropyl alcohol (rubbing alcohol)one small jar with a tight-fitting lidone eyedropper or small spoonseveral small bowls or cupshousehold chemicals to test (soap, vinegar, baking soda, etc.)

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