2. The change in matter from a solid to a gaseous state is called (i.e. melting dry ice):

36. Chemistry is the study of matter and the origin of mass.

25. A positively charged particle in the nucleus of an atom is called:

31. Glycerol is a trihydroxy alcohol. This means it has _________ hydroxyl groups.

39. Also known as wetting agents, surface tension reducers that make chemical flow through smaller apertures. Name me.

23. _______________ is an example of a dialdehyde compound.

8. This physical property is the ratio of the mass of a substance to its volume:

18. Ether is a very flammable and can form some explosive mixtures with air. Its general formula is:

8. The general formula R-OH identifies as:

4. Formaldehyde in a dry powdered form is also known as: