Prepareation of liquid and solid argon

Prepareation of liquid and solid argon

Argon gas liquefied by cooling in liquid nitrogen and than freezing.

test Introduction to Chemistry

Introduction to ChemistryIntroduction to Chemistry

Self healing hydrogels and its industrial applications

Hydrogels are water-swollen, cross-linked polymeric structures produced by reactions of monomers or by hydrogen bonding. This hydrogels used in various applications .