[MarZ]

Is there a good web or source which indicate which solvent is miscible with water or other solvent and which is not or perhaps even reacts.  Ideally a cross chart !

Specifically, does Propanone react with Carboxylic acids (eg Methanoic acid), Ammonia, Chloroform and Xylene. 

How can I make gradual concentration of the water non-miscible Chloroform - application paper chromatography

[Borek]

Is there a good web or source which indicate which solvent is miscible with water or other solvent and which is not or perhaps even reacts.  Ideally a cross chart !

Look for somethinbg like CRC handbook.

How can I make gradual concentration of the water non-miscible Chloroform - application paper chromatography

You can't.

[Sam (NG)]

We use this in the lab