(a(i))[1]
Fig. 1.1 shows the apparatus the student uses to measure $25.0\,\text{cm}^3$ of aqueous sodium hydroxide. Name the apparatus in Fig. 1.1.
(a(ii))[1]
Name a more appropriate piece of apparatus for measuring $25.0\,\text{cm}^3$ of aqueous sodium hydroxide.
(a(iii))[1]
Fig. 1.2 shows the apparatus used to find the volume of HA(aq) at the end of the experiment. Name the apparatus shown in Fig. 1.2.
(a(iv))[1]
The initial reading on this apparatus is $1.0\,\text{cm}^3$. Use Fig. 1.2 to determine the volume of HA(aq) used in the titration.
(b)[1]
The student rinses the apparatus in Fig. 1.2 before it is used. State the substance used to wash the apparatus.
(c)[1]
Describe the colour change of the methyl orange at the end-point. from [BLANK] to [BLANK]