MLS PRACTICAL 3 Flashcards
1
Q
Name the glasswares that could be found in a lab
A
- Beaker
- Tube
- Graduated cylinder
- Pipettes
- Droppers
- Round-bottomed flask
- Flat-bottomed flask
- Wurtz flask
- Funnel Chemical
- Burette
- Conical flask
- Funnel drip
- Dividing funnel
2
Q
What is a beaker?
A
It is a jar that is wide-mouthed and straight-sided and has a pouring spout formed out of the rim
3
Q
State the uses of a beaker
A
- Estimating the amount of liquid
- uncritical value measurements
- mixing solutions and holding liquids
4
Q
True or False: The accuracy of the beaker is very high.
A
False
5
Q
State the three types of flask
A
1- Erlenmeyer flask
2- Flourence flask
3- Volumetric flask
6
Q
Which flask is used for precise measurements?
A
Volumetric flask
7
Q
How are Volumetric flasks used?
A
A portion of water or other solvent is placed then the rest of the solvent is poured slowly until the bottom of the meniscus is in the level with the neck of the flask
8
Q
What is the usual material for the flasks?
A
Pyrex
