The SI derived unit of frequency is the hertz (Hz). German physicist Heinrich Hertz, is the scientish who named as hertz for the frequency. One... View Article
Mixtures is a substance containing two or more substance (elements or compound) in any proportion. Compound is a pure substance made up of two or... View Article
Potassium iodide reacts with lead(II) nitrate and produces lead(II) iodide and potassium nitrate. Potassium nitrate is water soluble. However,... View Article