Describe lime water test and pop test
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lime water test is for checking presence of co2 and pop sound for hydrogen
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☆ LIME WATER TEST.
On passing the Co2 gas evolved through lime water.
Ca(OH)2 (aq ) + Co2 (g) --------> CaCo3 (s) + H20 (l).
On passing access Co2 the following reaction takes place.
CaCo3 (s) + H20 (l) + Co2 (g) -------> Ca(HCo3 )2 (aq ).
☆ NEUTRILISATION REACTION.
Base + Acid ------> Salt + Water.
NaOH (aq ) + HCL (aq ) -----> NaCl (aq) + H20 (l)
Neutrilisation reaction takes place when the effect of a base is nullified by an acid and vice versa to give salt and water.
HOPE IT HELPS YOU.
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