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What colour will universal indicator turn when mixed with a strong alkali?
Wiki User
∙ 13y ago
Purple
Wiki User
∙ 13y ago
Anonymous
nhgtgrrrrrrrrrrrrrrrrrrrrrr
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What colour does a universal indicator change to when it is mixed with a strong acid?
green or blue
What colour does universal indicator turn in a strong alkaline solution?
A dark purple.
What is the colour of a strong alkali?
Purple
What colour does universal indicator turn if you add vinegar?
Because oven cleaner contains Sodium Hydroxide (Na OH), a 'strong' alkali/base, to dissolve the grease, it would change Universal Indicator a deep blue/purple colour.
What color change does each indicator show to represent acids bases and neutral?
There are far too many indicators to give them all. Litmus is blue in alkali, red in acids and an in-between colour often called claret when neutral. Universal indicator is red in strong acids, blue in strong alkalis and different colours in between depending on the brand.
What color would universal indicator in strong alkali?
red
What is universal indicater?
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.
Would universal indicator turn purple in a strong alkali?
no i think
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.
What colour does a universal indicator change to when it is mixed with a strong acid?
green or blue
What colour does universal indicator turn in a strong alkaline solution?
A dark purple.
What colour is sodium chloride in a universal indicator?
It has a pH of 7, meaning it's neutral. It would be Green on a universal indicator.
Why would it be difficult to test a cup of coffee with universal indicator?
Because Coffee is a dark colour and if your testing it with universal indicator paper the paper might stain from the strong coffee colour and not be entirely accurate. I have never tried this personally its just as assumption.
What colour does universal indicator turn if you add vinegar?
Because oven cleaner contains Sodium Hydroxide (Na OH), a 'strong' alkali/base, to dissolve the grease, it would change Universal Indicator a deep blue/purple colour.
What is the colour of a strong alkali?
Purple
What color change does each indicator show to represent acids bases and neutral?
There are far too many indicators to give them all. Litmus is blue in alkali, red in acids and an in-between colour often called claret when neutral. Universal indicator is red in strong acids, blue in strong alkalis and different colours in between depending on the brand.
What turns a universal indicator orange?
An alkaline of about a Ph of 10-14
