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Q: Can indicators change colour twice
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Related questions

What happens if you dye your hair twice?

Depending on what colour the hair dye. Your hair will change colour twice


Why indicator change color?

Indicators are mostly organic aromatic compounds in acidic to basic medium or vice versa the resonating structures of indicators become change which are responsible to change the colour.


Can an indicator change colour twice?

Yes.


What is an 'indicator reaction'?

---- indicators are substances which change their colour when treated with acidic or basic solutions this reaction of changing their colour is known as indicator reaction ---- ----


Why do indicators change colors?

indicators change colour because of your pee.


How do plants like morning glory or hydrangea act as indicators of the soils pH level?

they change colour on reaction to soil pH


What do indicators tell us?

Indicators are used to tell a person whether or not a chemical is present or what pH a substance may be. Usually an indicator is a strip that is dipped into the substance and will change color based on the presence of a substance or pH.


What are the importance of indicators in volumetric analysis?

Indicators change the colours when the PH of the sample changes. So during titration when the reaction is complete a new product will form which is resulting in sudden change of PH. This can be detected by the change in the colour of the sample. The reaction may be neutralization reaction or Redox reaction. So to know the exact stoichiometric quantity of reagents to complete a reaction we must use Indicators. different indicators give different colours based on the PH.


Which indicator could be used to identify a neutral solution?

there is no such indicator.the only way is to add the acidic and basic indicators ,if it does not change the colour of the solution then it is neutral.


What is an indicator of a chemical reaction?

HEAT, Heat is the the number one indication of a reaction. Also, changes of state of matter and mass are also indicators of a chemical reaction. an example is when an iron fence rusts.


Universal indicators of color juices?

Universal indicators of colour juices include whether or not the juice is opaque or clear and the actual color of the juice.


What word describes chemicals which change colour in acids and alkalis?

acid-base indicators for all pHs: universal indicator for pH testing in general: indicator