Acid mucinis

Acid mucinis best demonstrated by the stain 

A.Alcian blue 
B. Periodic Acid Schiff (PAS) 
C. Van Gieson 
D.Reficulin

Ans. (a) Alcian blue
Stains:
> Von kossa:                         Calcium
> Toluidine blue:                  Mast cells
>Alician blue:                       Mucins
> Congo red:                         Amyloid
Masons trichome:                 Collagen, connective tissue
Orcein:                                  Elastic fibers