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When water and universal indicator are added to magnesium oxide what colour does the solution go?
Copper oxide will turn blue or purple when Universal Indicator is put on it.If you found this helpful, please rate me :)
If universal indicator was added to the water after the reaction with caesium what colour would it be?
Water is usually around pH7 so would turn Universal Indicator Green
Does ammonia turn litmus paper red?
No. Ammonia is a base, and will turn red litmus blue without changing the colour of blue litmus.
What do you see when chlorine is put with litmus or universal indicator paper?
no because chlorine is an alikal
What effect does chlorine have on moist universal indicator?
Chlorine turns moist universal indicator paper red, then bleached. It has the same effect on blue litmus paper (red then bleached). this shows it is an acidic gas and so when reacts with sodium for example (an alkali metal) makes sodium chloride (salt).
What colour will universal indicator paper go if dipped into ammonia solution?
blue because it is a weak alkali
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.
How do you figure out ammonia gas by doing a test?
In the presence of hydrogen chloride a white smoke is formed; also ammonia turn an universal indicator paper to blue.
How do you know why the universal indicator will be a certain colour?
Depending on the pH solutions have different colors with a pH paper.
What is colour of acetic acid in universal indicator?
pH paper Merck art. 9565 become brown in an acid.
How do you tell the pH of an acid or alkali?
You use universal indicator or litmas paper and then judging by the colour it goes you can find out the pH
Why was universal indicator paper used to test the pH rather than placing universal indicator solution into the mixture?
Use of paper avoid the contamination of the sample.
What is universal pH paper?
Universal pH paper is a type of paper used to find the pH level of a solution and is an indicator.
What colour does hydrogen turn moist universal indicator paper?
the formale name for it is scarlet but it means bright red
What name is given to a substance which changes colour in acids and alkali's?
Universal Indicator. NB Litmus paper onl;y changes from red to blue.
What are acidic indicators?
Universal indicator or litmis paper
What is the colour of pH paper when dipped in ammonia?
blue
