An exam or examination is an official test that shows your knowledge or ability in a particular subject. Exam is the word most commonly used. Examination is more formal and is used mainly in written English.
Strong Acids and Bases. Acids and bases that are completely ionized when dissolved in water are called strong acids and strong bases There are only a few strong acids and bases, and everyone should know their names and properties. These acids are often used in industry and everyday life. The concentrations of acids and bases are often expressed in terms of pH, and as an educated person, you should have the skill to convert concentrations into pH and pOH.
Confidence votes 652. Just like how strong bases burn your skin, strong acids have the ability to dissolve the proteins and lipids that your skin and tissues are made of.Strong acids can readily dissolve into the H+ ion, and that likes to attack organic matter, like your skin.Strong bases readily dissolve into-OH ions, which is kind of like the same thing as H+'s tendancy to attack organic matter.ost acids are characterized by free H+ ions (not OH-, those are bases) which tend to attack and destroy a variety of organic compounds. This destruction is very similar to th â¦ e destruction caused by heat, and produces similar sensations and scarring. Strong bases also burn skin, for the same reasons.