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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.
Is sulfur dioxide an acid neutral or alkali?
It is a quite strong acid
Alkali metal hydroxides and alkaline earth metal hydroxides are?
strong bases
Can acids cause pollution to the earth?
yes acids can cause palution in the earth but it will need to be a very strong acid or a very strong alkali
Is silicon corrosive?
Silicon is not corrosive, in that it does not act like a strong alkali. It can be abrasive, however, if ground into small particles and made into sandpaper.
What colour will universal indicator turn when mixed with a strong alkali?
Purple
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 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 turns a universal indicator orange?
An alkaline of about a Ph of 10-14
