Question

answer me for this questions

note: short answers please ​

Answer 1

Answer:

1)the two gases will diffuse towards each other. -When the two gases meet inside the test tube they react with one another and form a ring of Ammonium chloride that is white in color. ... This is because hydrogen chloride gas is heavier and diffuses slower than ammonium chloride.

Answer 2

☝☝(1.)

2. Helium gas travel faster.

If helpful to you so please mark as branlist.