Experiments to determine the effect of other liquids placed in V
instead of water.
(a) When plain water was placed in V No sound was audible at S
(b) " Cod liver oil -------------------- No sound audible at S
(c) Cod liver oil + SO4 ----------------- No sound
(d) Salt water -------------------------- loud sound
(e) Water + SO4 ------------------------- loud sound
(f) Mercury ----------------------------- Complete contact - No sound.
(g) Bichromate solution ----------------- Comp. contact - weak sound
(h) Bichromate + Sulphuric acid --------- loud sound.
(i) Soapy water ------------------------- no sound.
(j) [?] liquor -------------------------- loud sound
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