Answer:
a base is something that reacts with an acid to form water and salt , an alkai is any base that is soluble in water
21.5010667479427 I goth this asnswer cause I divided I think that's how u do it
The answer that correctly describes a reaction that forms a disaccharide from two monosaccharides is Galactose + glucose = lactose.
Cellulose is not a disaccharide, glycogen is not a monosaccharide, and sucrose isn't either.
I think I have done a question like this before and i'm pretty sure your answer would be the 2nd one 1s22s22p4. I'm not 100% sure but try it at least.