Question

Select all of the statements that are true about the experiment.

Hints
a.
Hydrogen gas is a product of the reaction between zinc and hydrochloric acid.

b.
No chemical reaction is taking place.

c.
Hydrogen gas is soluble in water.

d.
This method uses the displacement of water in order to collect gas.

e.
Hydrogen gas is less dense than water.

Answer 1

Hey is it possible that we could have some more info regarding this experiment.

Otherwise I would say A is correct Zn+2HCL-> ZnCl2 + H₂(g)

B is incorrect

C incorrect because hydrogen gas in non-polar and water is polar

D Correct although there are several different methods other than this one

E Correct this is the reason it is able to displace water.

Answer 2

i think the answer is letter A