A popular chemistry lab demonstration that went awry and burned five students at a Fairfax County high school in October was performed without a ventilation hood, safety goggles or guidelines from the ...
Balloons filled with hydrogen and containing metal salts are ignited. When the balloon explodes, the characteristically colored flame for that metal is seen. 1. Fill desired number of balloons with ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback