To obtain pure carbon(ii)oxide from its mixture with carbon(iv)oxide, the mixture should be?

Give the common name for the following compound (CH\(_{3}\))\(_{2}\) CH CH\(_{2}\) -Br

The enzyme that converts glucose to ethyl alcohol is?

The scientist who stated that matter can be converted into energy is? 

What is the IUPAC name for the following compound? HC\(\equiv\)CCH\(_{3}\)