Description

Illustrates liquid-density changes with temperature using a weighted 75mm hollow copper sphere that floats in 15°C water and sinks as the water warms to 30°C

guided diagnostic exercises and self-assessment exercises

then resetting as it cools

Charged porous pot with a zinc rod inside a rectangular polythene jar

Velcro bumpers

Laboratory Grade Ammonium Chloride, 500g Type_Geographical Illustrates liquid-density changes with temperatureUsed to lyse red blood cells and isolate proteins in biology workflows, this 500g bottle of laboratory grade ammonium chloride doubles as a buffer component in qualitative chemistry analysis.

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Laboratory Grade Ammonium Chloride, 500g Type_Geographical Illustrates liquid-density changes with temperature

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