November 2011 - Chemistry Subject Test

crisronaldo
Sun, 06 Nov 2011 06:56:02 +0000

i think the answer for the h2 displacement by water is not becz of density but becz h2 is not soluble in water …

for example u cant collect HCl over water becz it dissolves in water

but h2 u can becz it doesnt dissolve …

so i think the answer is T F