Most materials expand when heated.
The iron ring is a device used to hold something such as a flask over a Bunsen burner.
Since the ball expands it cant pass though the ring. But when it cools it will pass once again though the ring.
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A transformer.
An electrical transformer.
The iron stand supports the iron ring when heating substances or mixtures in a flask or beaker.
iron ring is used in Bunsen burner and it is adjustable
the uses of iron ring is to support the beaker while heating solvent
Iron ring is a metallic circle used as a support of laboratory ware during heating.
The iron ring is used to hold glassware or other devices in the laboratory, especially during heating.
iron ring is a laboratory equipment that is used in holding the test tubes in place while heating.
The iron ring is a support for laboratory glassware as for ex. funnels.
The iron ring is a device used to hold something such as a flask over a Bunsen burner.
An iron stand is used to hold hot objects such as beakers, flasks, or crucibles during experiments in a laboratory setting. It provides a stable platform for heating or conducting reactions without the need for direct contact with a hot surface.
if u wish to heat an erlenmeyer flask over a bunsen burner, u can support it with an iron ring.
The hot iron ring shrinks as it begins to cool while the cold brass cylinder expands when it is warm. This makes them hard to be separated.
The iron stand supports the iron ring when heating substances or mixtures in a flask or beaker.