IB
IBO
Chemistry
May 2009
QP-200905-Chemistry-P1(TZ1)-SL · Question 18
Question (excerpt):
18. What is the best definition of rate of reaction? A. The time it takes to use up all the reactants B. The rate at which all the reactants are used up C. The time it takes for one of the reactants t…
18. What is the best definition of rate of reaction? A. The time it takes to use up all the reactants B. The rate at which all the reactants are used up C. The time it takes for one of the reactants t…
Question Slice Image
Official Mark Scheme & Solution
The official answer and mark scheme are available to signed-in users in the PaperAce App.