16
AssignmentMultiple Select
Unit Test
Question 16 • CR SS Chemistry S2 2018/19 2026
Magnesium reacts with hydrochloric acid to form hydrogen gas and magnesium chloride:Mg(s) + 2HCl(aq) MgCl2(aq) + H2(g)Which actions would increase the rate of reaction? Check all that apply.
Answer
A
using hot hydrochloric acid solutionB
adding hot water to the solutionC
using magnesium powder instead of a large piece of magnesiumD
increasing pressure on the system