IB myp 4-5 Chemistry – Practice Questions- All Topics
Topic :Types of chemical reaction-$\mathrm{pH}$ and indicators
Topic :Types of chemical reaction-Weightage : 21 %
All Questions for Topic :acids and bases,neutral solutions,acid/base reactions,$\mathrm{pH}$ and indicators,formation of salts,uses of salts,redox reactions,reactivity series,extraction of metals and corrosion,electrochemical cells
Question:
Comment on what the starting point of the pH curve on the y-axis tells us about the strength of hydrochloric acid?
▶️Answer/Explanation
Ans: The initial pH is 1.0 unit. This tells us that the acid is a strong acid.