Question

Hygroscopic powder must be supplied 1) separately 2) In granalas form 3) by double wrapping 4) palm​

Answer 1

Hygroscopic powder must be supplied(3) by double wrapping

Explanation:

1.Double-wrapping is essential for volatile or hygroscopic drugs like Menthol, thymal, citric acid,Pepsin etc. Double wrapping is also must for drugs those are sensitive to the atmospheric conditions.

2.Hygroscopic powders adsorb water from air humidity, increasing their cohesion and decreasing their flowability. Maltodextrin, pectin and starch powders were used to evaluate the correlation between flow factor and water content expressed both, as absolute moisture, and as water activity.

3. a wax paper is cut slightly smaller than the demy paper each way and fold both paper at once and Label it.