What is difference between LVT and RVT Viscometer?
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Define what is avogadro’s law?
What is the unit of ph?
Importance of Organic Chemistry to Mankind ?
what is the formula of petrol
Explain about Atomic Weight ?
What is phase transfer catalyst?
Explain about Characters of Catalytic Reactions ?
What is the effect of the flashes of lightning during a thunderstorm ?
Why is the sea water saline ?
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.
Explain about Oxide ?
How is petroleum manufactured?