The pH of distilled water is 7. This is the neutral pH, showing that the ratio of H+ ions and OH- ions is at equilibrium.
The activities that involves a chemist would be activities that involves quantification and qualification of a product. One that involves chemical reactions and the use of chemical substances. Hope this answers the question. Have a nice day.
Polyunsaturated fatty acids contain more than one double bond in its hydrocarbon chain.
Liquid oxygen can be used as an oxidizer in rocket fuel as one of two propellants needed.