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Chemical change
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∙ 11y ago
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If Iodine turns black in the presence of starch what is the identity of the powder that turned black?
does not matter once the Powder has starch it turns black and the powder can be any color
How do clouds turn black?
clouds get black by the smoke and when its going to rain the water from the sea turns in gas and then goes on clouds.
What color is glucose when lugol's iodine is added?
I did this lab experiment in my biology class. When Lugol's indicator is added to glucose, it turns to a dark green colour for starch it turns black and for surcose it turns yellow.
When rubbing a nickel on your face does this mean low iron when your face turns black?
Yea
Which white powder turns blue-black in iodine solution?
starch
What happens when a peeled banana turns black?
it stanks
When you peeled a banana and it turns black it is a?
it turns black because air is around it when u open a banana use airtight Ziploc i read this in a science from scientist
Why does a peeled banana turn brown?
Because they rot quicker. There's a greater surface area , both the inside and the outside , that is exposed to the air .
How does water affect a banana?
potassium in the banana reacts to water and melts the banana
Does an apple or banana rot faster outside?
If neither has been peeled/bitten, the banana. If they've been peeled/bitten, the apple.
If stained with iodine what color will a banana turn?
BlackAns2:It is very unlikely that a ripe banana will have enough starch to turn iodine black. When iodine turns black, it is a positive test for the presence of starch.
If you put a banana in a cupboard for a week and it turns black does that mean it is a chemical reaction?
yes, if it turns into a different colour than it is a chemical reaction. hope that helps
What do you do when you a banana stuck in a toilet?
Well just place your left hand shove it down the toilet and grab for the banana then if its not peeled eat it
How do you peel a tasty banana?
To start, make a small cut near one of the tips, then peel off a strip of the skin, then peel off more strips until it is all peeled (generally a banana can be peeled with 4 or 5 strips).
What is a sentence using the word peel?
He carefully peeled the orange to reveal its juicy segments.
Are peeled potatoes that turn black edible?
Yes
What happens if your banana turns brown?
It is rotten and mushy and should not be eaten like a ripe banana. However, it is good for making banana bread.
