which metal is found abundantly in the earths crust??
Answers were Sorted based on User's Feedback
What is colorimetry?
How does the viscosity vary with temperature?
Why is air removed from the electric lamps ?
i pass my B.Sc. in 1999(chemistry. i dont understand what study after bsc. i am an average student.After my Bsc i joint my brother factory and i work there as a production, QC and electrical testing for Oil. i try to another job but my exprince not match my education co u tale me what i do.
Explain the Hydrogen and its Compounds ?
What is electroplating ?
why is acetic acid less conductive than hcl?
What is the function of diethyl amine?
Why is radiator used in a motor-ear ?
What is Atomic number?
who is the king of chemistry?
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.