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What is the name given to a dye that changes colour depending on whether it's an acid or alkaline?
A dye that changes color depending on whether it's exposed to an acid or alkaline solution is called a pH indicator. pH indicators are commonly used in chemistry labs to determine the acidity or alkalinity of a solution based on the color change they undergo.
What colour does phenolphthalein change to when it reacts with and alkaline solution?
Phenolphthalein changes from colorless to pink when it reacts with an alkaline solution.
What colour is methyl yellow when it reacts with an alkali?
Methyl yellow is yellow in alkaline medium.
What is special about hydrangea flowers grown in acid soil?
flower colour changes with pH
Plant materials that change colour in acid or alkali?
Red cabbage can change color depending on the pH of its environment, turning red in acidic conditions and blue or green in alkaline conditions. Hydrangea flowers also change color based on soil pH, with acidic soils producing blue flowers and alkaline soils producing pink flowers. Bougainvillea flowers can also change color in response to soil pH levels, with more acidic soils leading to redder flowers and more alkaline soils producing pinker shades.
What colour is methyl orange in alkaline?
Methyl orange is yellow in alkaline conditions.
What is the colour of original colour?
Orange. It turns colourless in acids and pink in alkaline.
What is the colour of methyl orange when amounts of alkali are added?
When alkali is added to methyl orange, the color changes from red in acidic conditions to yellow in alkaline conditions.
What is the colour of methyl orange in alkaline solutions?
Methyl orange appears yellow in alkaline solutions.
What colour does BTB get in an alkaline solution?
In an alkaline solution, bromothymol blue (BTB) turns blue.
What is a test to show that a gas is carbon dioxide?
Put the gas (CO2) in lime water. If the lime water changes colour, then it means that there is carbon dioxide in the gas depending on how fast the lime water changes colour
What colour is digoxin flowers?
The flower that produces the medical drug digoxin is called Digitalis, or better known as foxglove. They vary in colour from purple, pink, yellow and white depending on the exact species of foxglove.
