Hydrogen Test (pure sample)

Hydrogen Test (pure sample)

If a test tube of pure hydrogen gas (no air contamination) is exposed to a flame there is a small 'pop'. The well known 'squeaky pop' happens when there ia a little air mixed with the hydrogen.

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 .

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