ICSE CHEMISTRY CLASS 10 - IMPORTANT TOPICS
Fountain experiment – to prove the high solubility of HCl gas in water
The purpose (aim) of Fountain experiment is to prove that Hydrogen chloride gas is highly soluble in water.
HCl gas in the round bottom flask dissolves in
water and creates vacuum in round bottom flask and due to the higher pressure
on the litmus solution pushes it into the round bottom flask. The litmus
solution emerges out of the jet tube as red fountain.
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