What is buffer?
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which gas is called laughing gas?
What is glacial acetic acid?
What is the acidity of a base
What is wave length?
Explain the how to make Alloys?
Why is ph increases suddenly after the equivalence point?
What is positive testing in relation to chemistry? For example, the sentence reads "Sample solutions are solutions known to contain one of each of the following ions, silver ion, Ag+(aq), barium ion, Ba2+(aq), and iron (III) ion, Fe3+(aq). Testing solutions are the solutions containing a polyatomic ion that can react with one of the metal ions to give a positive test." I am then asked to define what a "positive test" is. I am currently a student who is pretty new to chemistry, please try and make your answer as simply as possible. Thanks for the help.
Mention a few application of cod test in environmental engineering practice.
What is dextro-rotatory and levo-rotatory?
Why is sometimes a succession of echoes heard ?
How are specific gravity and density related?
What is a potentiometer titration?