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Answered 2009-05-26 15:17:33

Litmus solution is a purple dye extracted from lichen, a plant belonging to division Thallophyta and is commonly used as an indicator to determine the acidic or alkaline nature of a substance

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What is litmus paper?

Litmus is a natural dye indicator extracted from lichens.They react with acid (blue litmus turns red)& bases(red litmus turns blue) .Paper made with litmus dye indicators are called litmus paper and used in chemical laboratories.


How was purple dye made In Medieval time?

A type of rotten mussel shell produced a purple colored dye. The shell was boiled and the color extracted to dye clothing.


How is litmus solution prepared?

Litmus solution is a mixture of dyes dissolved in water.


How does litmus in the litmus milk act as a redox indicator?

Litmus milk medium is skim milk to which the dye litmus has been added. Litmus is both a pH indicator and a redox indicator. It is pink at pH < 4.5, purple in middle pH's and blue at pH > 8.3. As a redox dye, in the absence of oxygen (reduced state) it's colorless (white due to milk) and in the presence of oxygen (oxidized state) it is purple.


What items did Phoenicia trade?

They traded mostly purple dye called Tyrian purple which was very expensive and only royalty could afford it. The dye was extracted from a certain type of sea mollusk.


What color does violet litmus paper turn into when dipped in lemon juice?

Litmus is a dye extracted from lichens, a plant. Upon addition of acid, litmus turns red whilst on addition of base, litmus turns blue. Being acidic, containing citric acid, lemon juice is expected to turn violet litmus paper red.


How did Phoenicians dye clothing with berries?

The principal dye used by Tyre was purple - extracted from the sea snail Murex. They obtained the dye by either milking the snails or crushing them. Berry dyes obtained by crushing berries were not nearly as valuable as the Murex dye which was rare and distinctive enough to gain the status of a 'royal purple' wanted by status-seekers.


Do you have to dye your hair blonde to dye it purple?

no, your natural hair can be any color to dye it purple.


What colour does purple litmus turn when mixed with sulfuric acid?

bright red / pink unless it kills the dye. I would try adding dilute amounts first. As a general rule Acids will turn litmus red / pink and bases will turn litmus blue / green


Should you dye your hair purple?

No, you should not dye your hair purple. Why? Because if you dye your hair purple you might look like someone/something threw-up on your head.


What did the Romans use to dye their Toga's purple?

The color, Tyrian Purple, was a natural purple dye produced from a type of sea snail.


What Mesopotamian civilization had purple dye?

The Phoenicians were famous for their purple cloth and they used shellfish for their purple dye in order to dye the cloth which is created only for the robes of the kings. hope this can help :)


Can you buy purple rabbits?

No, I do not think you can buy a purple rabbit, though I bet you can dye a rabbit purple. I know for SURE that you can't get a purple rabbit, but I know you can dye one purple.


How do you make purple cheese?

you dye the cheese purple


What did the Romans use to make purple clothing for emprors?

The Romans used a dye called Tyrian purple to make the imperial color.The Romans used a dye called Tyrian purple to make the imperial color.The Romans used a dye called Tyrian purple to make the imperial color.The Romans used a dye called Tyrian purple to make the imperial color.The Romans used a dye called Tyrian purple to make the imperial color.The Romans used a dye called Tyrian purple to make the imperial color.The Romans used a dye called Tyrian purple to make the imperial color.The Romans used a dye called Tyrian purple to make the imperial color.The Romans used a dye called Tyrian purple to make the imperial color.


When does red litmus paper turn black?

Litmus paper indicates the pH of a solution. Red litmus paper will turn blue in the presence of bases (alkaline solutions). A black color indicates that a chemical reaction is taking place with the litmus dye or paper, and this does not provide any information on pH. The paper may also turn white in the presence of strong bleaching agents such as chlorine or peroxides.


Why do you need to add salt or dye fix to a dye solution?

Salt helps by making the dye solution stick to the cloth fibers.


How do you make purple dye?

mix red and blue dye Red dye- redberries blue dye- woad leaves


How do you get purple hair?

U can get purple hair by dying it with hair dye


Why were the Phoenicians known as purple people?

They made a purple dye from shellfish.


Do basic solutions turn the dye litmus red?

yes we did an experiment at school


What was Cleopatras favtive color?

Purple was a color that Cleopatra used frequently, but weather it was her fave or if she just used it because the purple dye was expensive is not clear.Purple was a color that Cleopatra used frequently, but weather it was her fave or if she just used it because the purple dye was expensive is not clear.Purple was a color that Cleopatra used frequently, but weather it was her fave or if she just used it because the purple dye was expensive is not clear.Purple was a color that Cleopatra used frequently, but weather it was her fave or if she just used it because the purple dye was expensive is not clear.Purple was a color that Cleopatra used frequently, but weather it was her fave or if she just used it because the purple dye was expensive is not clear.Purple was a color that Cleopatra used frequently, but weather it was her fave or if she just used it because the purple dye was expensive is not clear.Purple was a color that Cleopatra used frequently, but weather it was her fave or if she just used it because the purple dye was expensive is not clear.Purple was a color that Cleopatra used frequently, but weather it was her fave or if she just used it because the purple dye was expensive is not clear.Purple was a color that Cleopatra used frequently, but weather it was her fave or if she just used it because the purple dye was expensive is not clear.


WHY was the colour purple only important people in Roman times?

Purple was originally the colour of the king. It later became the colour of the emperors. It was the most expensive dye. Deep purple dye was called Tyrian dye or imperial dye. It was made in the city of Tyre in Phoenicia from the the spiny dye-murex, a sea shell. Making the dye was expensive and very time consuming. Thousands of shells were needed and they had to be caught and cracked. The snail had to be removed and soaked. Juice was extracted from a tiny glad and placed in the sun. The juice then turned white, then yellow-green and then red. This turned progressively got darker. The process was stopped when it reached a hue between crimson and violet.


How is dye extracted from indigo?

i dont know mate. :S LOOSER.


Did queen Cleopatra make purple out of snails?

Well, not Cleopatra herself, but her slaves did. The purple dye of the ancient royalty was Tyrian purple, which was made from various sea snails or marine mollusks.Well, not Cleopatra herself, but her slaves did. The purple dye of the ancient royalty was Tyrian purple, which was made from various sea snails or marine mollusks.Well, not Cleopatra herself, but her slaves did. The purple dye of the ancient royalty was Tyrian purple, which was made from various sea snails or marine mollusks.Well, not Cleopatra herself, but her slaves did. The purple dye of the ancient royalty was Tyrian purple, which was made from various sea snails or marine mollusks.Well, not Cleopatra herself, but her slaves did. The purple dye of the ancient royalty was Tyrian purple, which was made from various sea snails or marine mollusks.Well, not Cleopatra herself, but her slaves did. The purple dye of the ancient royalty was Tyrian purple, which was made from various sea snails or marine mollusks.Well, not Cleopatra herself, but her slaves did. The purple dye of the ancient royalty was Tyrian purple, which was made from various sea snails or marine mollusks.Well, not Cleopatra herself, but her slaves did. The purple dye of the ancient royalty was Tyrian purple, which was made from various sea snails or marine mollusks.Well, not Cleopatra herself, but her slaves did. The purple dye of the ancient royalty was Tyrian purple, which was made from various sea snails or marine mollusks.


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