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Iodine Test - Monitoring Lesson

Authored by Dennis Washington

Science

8th Grade

NGSS covered

Used 140+ times

Iodine Test - Monitoring Lesson
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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If you drop iodine solution on bread, it changes to Black. What does this show?

Bread contains protein

Bread contains sugar

Bread contains starch

Bread contains lipids?

Tags

NGSS.MS-PS1-2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When Starch is present Iodine Solution turns...

Clear

Cloudy/White

Black

Orange

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What tests for starch?

Benedict's Solution

Iodine Solution

Iodine

Ethanol

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A negative test for starch will cause Iodine to stay...

orange/red

blue

black

brick red

Tags

NGSS.MS-PS1-2

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Which biomolecule turns iodine solution black?

complex carbohydrate (polysaccharide)
protein
simple carbohydrate (monosaccharide)
lipid

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Which reagent is used to test for complex carbohydrates (polysaccharides)?

iodine solution
biuret solution
Benedict's solution
Sudan III solution

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cecilia used iodine to test a substance for starch. The color of the iodine placed on the substance was orange. What was the result of Cecilia's test?

The substance tested positive for starch.

The substance tested negative for starch.

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