Core practical exam questions

Question 1

Three actions technician might make before the end point of the titration to ensure volume of acid added at end point is accurate

Answer 1

So that too much acid is not added / to avoid ‘overshooting’ the end-point
(1)

Swirl / shake / agitate
AND
react
To ensure a homogenous mixture/allow all acid and alkali to (1)

Any one from:
Rinse the sides of the flask with distilled/deionised water between additions
AND
To rinse all reactants into the solution so all can react