(aq) refers to aqueous, which means: in water. In your case, you have Ba(OH)2 in solution in water http://en.wikipedia.org/wiki/Aqueous. As for your search on Google, just try anything that works. Internet is a wild untamed land where order and rigorous classification do not apply. Wikipedia is usually a good start.
/bÉËsÉËlt/ , /ËbaesÉlt/ , /ËbÃ¦sÉlt/ , ËbaesÉËlt /ËbÃ¦sÉËlt/) or ËbeÉªsÉËlt is a common (extrusive) igneous volcanic rock formed from the rapid cooling of basaltic lava exposed at or very near the surface of a planet. Or moon flood basalt describes the formation in a series of lava. basalt flowsy definition, basalt is an aphanitic igneous rock with less than 20% quartz and less than 10% feldspathoid by volume, and where at least 65% of the feldspar is in the form of plagioclase.
Basalt is a type of volcanic igneous rock that forms outside of the earth and is used for different purposes in construction. Discover how basalt is used as a major component of asphalt for roads with help from a science tutor and field biologist in this free video on basalt and chemistry.o, basalt is a type of volcanic rock. It's also an extrusive volcanic rock which simply means that it formed outside of the earth. So, it cools, it gets ejected or it goes out into the surface of the earth and cools in air.