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What happens when you soak a leaf in boil ling water for two minutes?
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What happens to a leaf in salt water?
When you put a leaf in salt water, the leaf will start to turn brown in a few days. The leaf will start to turn brown in a mater of days.
What happens if you put a pechay leaf with soft stem to a small jar with water and blue ink in it?
The leaf turns blue
What could you look for in a coleus leaf to determine if photosynthesis is occurring?
boil it in water then put it in ethanol then put iodine on it the leave will tiurn dark if photosynth is occurring
What is the result of the Test for the presence of starch in a leaf?
Method Half fill a beaker with boiling water and add a large test tube that is a quarter full of ethanol. Allow the ethanol to come to the boil. Do not heat the ethanol in a Bunsen burner flame. This is not safe because ethanol is highly flammable. Take a leaf that has been sitting in good light for at least a few days, and soften on the boiling water for ten seconds or so. Then add to the ethanol and allow to boil for about a minute until all the colour disappears from the leaf. Remove the leaf from the ethanol. Put it back in the hot water to soften for 10 seconds. Spread the leaf out on a white tile and use the iodine solution to test for starch A blue-black colour indicates starch is present. This experiment can be repeated with leaves that have been left in the dark. or have been deprived of carbon dioxide.
What happens when a leaf is put in water?
it may learn to not conserve water as many land plant have learned to do
Why do you put leaf in boil water for a few minutes?
To brew you drink. The hot water releases chemicals in the leaf.
How long do you boil a cactus leaf before eating it?
10 to 15 minutes
What happens to a leaf in salt water?
When you put a leaf in salt water, the leaf will start to turn brown in a few days. The leaf will start to turn brown in a mater of days.
What happens when green leaf is boiled in water?
it will make holes
How do you blanch a radish?
For blanching asparagus, you can use the whole spears or cut into pieces. Using a saucepan large enough for your asparagus, bring enough water to cover the asparagus to a rolling boil. While waiting for your water to boil, prepare a large enough bowl of ice water. Simply use enough tap water to cover the asparagus when you're ready and add plenty of ice to keep it cold until your water is boiling rapidly. Add the asparagus to the boiling water and boil until it turns bright green, about 2 to 5 minutes depending on the size of the asparagus. As soon as the asparagus turns bright green, transfer it from the boiling water into the ice water. You are now ready to use your asparagus as planned, whether it is for freezing, serving, or using in a recipe.
What happens if you put a pechay leaf with soft stem to a small jar with water and blue ink in it?
The leaf turns blue
What can you do to a banana leaf?
you can fashion it into a crude container for water, by folding it and perhaps using a bit of twine, which you can then use to boil water by placing it directly on ..top of glowing hot coals.
What happen when leaf boil in alcohol what the alcoholl remove from the leaf?
Boiling a leaf in alcohol removes its chlorophyll, so the leaf loses its green colour.
Which reagent would you use to determine the distribution of the carbohydrate stored in leaves?
You need to use iodine to see where the carbohydrates are stored. To make them visible, you must first boil the leaf in water, then boil it in ethanol or methanol.
What could you look for in a coleus leaf to determine if photosynthesis is occurring?
boil it in water then put it in ethanol then put iodine on it the leave will tiurn dark if photosynth is occurring
Why boil a leaf for a starch test?
It is to kill the cytoplasm, denaturate the enzyme and makes the leaf become more permeable to the iodine solution, therefor, we have to boil a leaf for starch test
What will happen when you boil a green leaf in a test tube?
It's cell walls will break down and the leaf becomes soft/flaccid
