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We observe whether a razor blade can float on the surface of different liquids.
surface tension, fluid, liquids, water, acetone, ether, baby powder, razor, physical property, cohesive force, cohesion, secondary bonding, molecule, density, attractive force, surface, force, experiment, chemistry
Examination of dissolved carbon dioxide in a bottle of carbonated water.
Change in the colour of the cobalt(II) chloride solution due to heating and cooling.
Examining the colour of cobalt(II) chloride in water and hydrochloric acid.