Topic
Separation techniques
Timing
45 minutes
Description
In this experiment students use simple processes to separate sand and salt.
Apparatus and equipment (per group)
250 cm(3) Beaker
Filter funnel and paper
Evaporating dish
Tripod
Bunsen burner
Gauze
Glass rod for stirring
Chemicals (per group)
A mixture of salt and sand (about 20 percent of salt)
Teaching tips
It can be effective to show the separate sand and salt to the whole [...]
In some ways, a laboratory is very much like a library; but instead of looking up information, the laboratory worker find out about it for himself. In both places the working conditions are similar. Librarians must catalog books in a library and store them in a neat and orderly fashion. Chemists must label their equipment [...]
| M | T | W | T | F | S | S |
|---|---|---|---|---|---|---|
| « Aug | ||||||
| 1 | 2 | 3 | 4 | 5 | ||
| 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| 20 | 21 | 22 | 23 | 24 | 25 | 26 |
| 27 | 28 | 29 | 30 | |||
RSS Feed
Twitter
Posted in 
Tags: 