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Why does a cooked rice with Benedict's solution change its color when it is heated?
Benedict Solution is use to check the presence of Saccharides in food by changing the specimen's color like cooked rice when it puts a few drops of Benedict solution
it change its color as yellow green. It means there is a presence of sugar in rice.
About the Saliva thing, (Benedict Solution+Saliva+Cooked Rice)
Saliva breaks the sugar into fragments so it helps the Benedict Solution to find the presence of sugar in rice, So it makes more yellow green than without Saliva one
What else can I help you with?
What color does Benedicts solution turn when mixed with simple sugars?
Benedict's solution turns brick red when mixed with simple sugars like glucose, fructose, or maltose. This color change indicates the presence of reducing sugars in the solution due to the reduction of copper ions in the Benedict's solution.
What gas is given off when ammonia solution is heated?
Ammonia gas (NH3) is given off when ammonia solution is heated.
What substance turns Benedicts solution blue?
Benedict's solution turns blue in the presence of oxygen. When heated with reducing sugars like glucose, it changes color from blue to green, yellow, orange, red, or brown, depending on the amount of sugar present.
Why does copper sulphate solution not evaporate when heated?
Copper sulfate solution does evaporate when heated. As the solution is heated, the water molecules in the solution gain enough energy to overcome the intermolecular forces holding them in the liquid state, and hence evaporate into the air, leaving behind solid copper sulfate crystals.
What physical change happens to atoms and molecules in a solution that is strongly heated in a flame?
When a solution is strongly heated in a flame, the atoms and molecules gain kinetic energy, causing them to move faster and collide more frequently. This can lead to increased chemical reactions, vaporization of the solution, and potentially decomposition of the molecules into smaller fragments or different chemical species.
Why the color of benedicts solution change when heated?
The color change in Benedict's solution when heated is due to the reduction of copper ions in the solution. Initially, the blue-colored Cu(II) ions in Benedict's solution are reduced to form a reddish-brown precipitate of Cu(I) oxide. This color change indicates the presence of reducing sugars in the solution.
How does Benedicts solution work with sugar?
Benedict's solution is a chemical reagent used to test for the presence of reducing sugars, such as glucose. When heated with a reducing sugar, such as glucose, in the presence of an alkali (sodium carbonate), a redox reaction occurs, causing the blue color of the Benedict's solution to change to a brick-red precipitate of copper oxide. The intensity of the color change is proportional to the amount of reducing sugar present in the solution.
Why does a egg change color when heated biology?
The parts of the egg (proteins) have become denatured when heated (cooked).
When a solution is heated and a gas is formed is that a chemical change?
If there is no chemical reaction occurring in the solution as a result of heating then this scenario constitutes a phase change.
What color does benedicts' turns if no sugar were present?
Egg yolks have a natural white or pale yellow color. Without the addition of sugar, egg yolks will not change color when heated in the classic Eggs Benedict dish.
Does it take longer to saturate a heated solution than a cold solution?
No, a heated solution will saturate faster.
When toast is cooked what change occurs physical or chemical?
Chemical, because the disaccharide in toast when heated become hard thus giving you toast
What color does Benedicts solution turn when mixed with simple sugars?
Benedict's solution turns brick red when mixed with simple sugars like glucose, fructose, or maltose. This color change indicates the presence of reducing sugars in the solution due to the reduction of copper ions in the Benedict's solution.
Why does the cooked dressing need to be heated?
So that it can soak in with the food
Why does cooked dressing need to be heated?
So that it can soak in with the food
What happened when saturated solution is heated?
It depends on what kind of solute was mixed in a solution. for example of NaCl, it would disolved if heated.
What gas is given off when ammonia solution is heated?
Ammonia gas (NH3) is given off when ammonia solution is heated.
