Step 1 : Introduction to the question "2. When your laboratory experiment requires the use of an open flame, which of these pieces of equipment will you use?"
...1. Bunsen burner 2. McLeod gauge 3. Geiger counter 4. Wilhelmy plate Bunsen burners were named for Robert Wilhelm Eberhard Bunsen (1811-1899). Bunsen had an idea which was developed by Peter Desaga (?-1919), Heidelberg University's mechanic--though some sites claim he was Bunsen's assistant. The device, which was an improvement of earlier burner devices, was never patented. The first Geiger counters, which could only detect alpha particles, were invented by Hans Geiger (1882-1945) and Ernest Rutherford (1871-1937). A McLeod gauge was invented by Herbert McLeod (1841-1932) to measure very low pressures of gas. Ludwig Wilhelmy (1812-1864) designed what we now call a Wilhelmy plate to measure surface equilibrium.
Step 2 : Answer to the question "2. When your laboratory experiment requires the use of an open flame, which of these pieces of equipment will you use?"
Bunsen burner:
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