A student starts with a beaker containing 50 cm3 of 0.1 mol dm-3 ammonia solution. They gradually add an excess of 0.1 mol dm-3 nitric acid while monitoring the pH with a calibrated pH probe.
Which of the following represents the most likely change in pH during this experiment?
from 111 to 111111
from 111111 to 111
from 111111 to 777
from 141414 to 111
Practise Edexcel GCSE Chemistry Acids with exam-style questions for Foundation and Higher tier. 276 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.