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How does a acid-alkali indicator indicates?
The pH of a solution.
Why is a indicator's reaction in acids and bases a chemical change?
Indicates whether the substance is an acid or alkali.
What is a indicator of acid and alkali?
acid should be a bright pink colour when using the indicator and alkali should go a greeny colour :) hope this helped you
What are the names of plants that can be used as indicators of acid and alkali?
What are the names of plants that can be used as indicator of acid and alkali
What is the material used to remove an indicator from a neutralized solution how does this work?
it is universal indicator with mixture of alkali
Is alkali soluble in water?
you can find out if a substance is an acid or alkali by adding universal indicator
What colour will universal indicator turn when acid is mixed with alkali?
It will turn green! :)
What is the purpose of an acid base indicator?
it indicates wether a paticular substance is an acid or a base.
How do you neutralize a acid or alkali?
To neutralise an acid add sodium carbonate. 2H^+ + Na2CO3 = 2Na^(+) + H2O + CO2 It forms the salt , water and carbon dioxide. To neutralise an alkali add 'milk'.
What is indicat?
Universal indicator changes colour in acids and alkalis. Its colour shows the strength of an acid or alkali. strong acid= redweak acid= orange / yellowneutral= greenweak alkali= turquoise / bluestrong alkali= deep blue / purple The strength of an acid or alkali is shown on the pH scale of numbers.
Does an alkali substance neutralize an acid?
no it doesn't, it simply just turns it into an indicator and has not neutralised it.
How could you test for an acid or alkali?
Litmus; universal indicator; reaction tests; spectroscopy.
