Question

Choose the best answer. The 6.0 M HCl solution must be added to the crucible in the fume hood because

a) the wet hydrogen gas released can cause explosion.

b) the HCl used is very concentrated.

c) it is aafer to do the experiment in the fume hood rather on the bench.

d) the HCl can react quickly with the zinc solid in the fume hood.
​

Answer 1

The answer is A

Step-by-step explanation:

When nH2/nO2 =3/4 => it can cause explosion