Warning! Once the flame has started, DO NOT add more methanol to the salts. If the methanol bottle is in close proximity with the flame the whole bottle can catch on fire posing a fire hazard to the ...

See “Flame Test” demonstration for list of metals and the colors of their flames. 2. Immediately before lecture, inflate balloons with hydrogen. Attach ~6ft. strings to each. Tape the ends of the ...

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 ...