Chemical Experiments Flashcards
1
Q
What materials are needed for acid-base titration
A
Burette, volumetric pipette, and a suitable indicator
2
Q
What is the use of paper chromatography
A
Used
to separate mixtures of soluble colourless
substances, using a suitable solvent and a
locating agent
3
Q
What is an Rf value
A
= Distance travelled by the substance/Distance travelled by the solvent
4
Q
What are the five methods of seperation and purification
A
A suitable solvent, filtration, crystallisation, distillation, fractional distillation
