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What cation turns water red?
The cation that turns water red is usually the ferric (Fe3+) cation. When ferric ions are present in water, they can react with water molecules to form a complex that appears red in color.
If fat is present using biuret reagent turns what color?
Biuret reagent turns from light blue to purple in the presence of proteins or peptides, but it does not change color in the presence of fats. Fats and oils are not detected by biuret reagent.
What observations do you need to expect if starch is present when testing leaf for starch?
It can be observed that when testing for starch their must be a olour change of blue black after iodine solution was added.Before the colour change was green that changed to blue black of the whole procedure is been carried out.
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.
How could you test carbon dioxide and water in combustion?
Bubble smoke into limewater,if it turns to milky color and become colorless when bubbling continue.It proves that CO2 present Send smoke through anhydrous CuSO4,if white color turns blue water is present
Is tap water turns a deep red color with a few drops of KSCN what cation is present?
Iron (III)
What cation turns water red?
The cation that turns water red is usually the ferric (Fe3+) cation. When ferric ions are present in water, they can react with water molecules to form a complex that appears red in color.
What color does iodine turn if a starch is present?
Iodine turns blue-black in color in the presence of starch.
Which substance turns a blue-black colour when treated with a few drops of iodine solution?
Starch turns a blue-black color when treated with a few drops of iodine solution. This color change occurs due to the formation of a complex between the starch molecules and the iodine ions.
What does the iodine turns into when starch is present?
Iodine turns a blue-black color when starch is present. This is due to the formation of a starch-iodine complex, where the iodine molecules interact with the starch molecules causing the color change.
What color does phenol red change to when carbon dioxide is present?
It turns a yellow-ish color when CO2 is added.
What color does the hydrochloric acid turns when few drops added on pH paper?
Hydrochloric acid will turn pH paper red or pink when a few drops are added. This color change indicates that the acid is acidic, with a pH typically below 4.
What color does iodine turn when a starch is present?
Iodine turns blue-black in the presence of starch.
If iodine solution turns blue-black what substance is present?
Starch is likely present in the solution if iodine turns blue-black. This color change is a characteristic reaction that indicates the presence of starch.
What is the present tense of this sentence She turns the light on.?
The present tense of the sentence "She turns the light on" is "She turns the light on."
If fat is present using biuret reagent turns what color?
Biuret reagent turns from light blue to purple in the presence of proteins or peptides, but it does not change color in the presence of fats. Fats and oils are not detected by biuret reagent.
What color does haxane turn when iodide is present?
conducting that experiment, hexane turned a fushia/purple colour
