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Laabri

8.12_Indigo Dye Day 1

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Last updated about 5 years ago
9 Nsɛmmisa
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1.

Do Now: Why can't I do this lab on my own, without a parent at home?

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2.

What are the three dry (powdered) ingredients for this lab? Check all that apply

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3.

What is the purpose of the marbles in solution?

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4.

What is the purpose of heating the water?

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5.

What makes calcium hydroxide a strong base?

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6.

What is the difference between being soluble and insoluble?

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7.

How many times more alkaline (basic) is a 10 pH solution than a 7 pH?

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8.

Explain in detail why we are increasing the pH of the indigo vat.

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9.

Exit Ticket: What evidence will we have that the oxidation reduction reaction taking place is a chemical change?