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Calcium Chloride: Chalk Dissolved in Hydrochloric Acid and Evaporated
Calcium chloride from chalk, as Thorpe's Dictionary (1912) gives it: dissolve chalk in hydrochloric acid and evaporate.
The picture: our diagram.
Mwanzo
1 day
Maagizo
1
1
Dissolve chalk in hydrochloric acid
Dissolve chalk in hydrochloric acid
Dissolve chalk in hydrochloric acid. Ours: whiting, added a little at a time in a beaker.
Vifaa kwa hatua hii:
Kaboneti ya kalsiamu (chaki nyeupe)1 as required
Asidi hidrokloriki1 as requiredZana zinazohitajika:
Bikari ya kioo
Kikorogo
Miwani ya kinga dhidi ya kemikali
Glavu za mpira2
2
Evaporate
Evaporate
Evaporate the solution to obtain the calcium chloride. Ours: an evaporating dish on a hot plate.
Zana zinazohitajika:
Sahani ya Kuvukizia
Sahani ya Kupasha Joto3
3
Keep it closed
Keep it closed
Calcium chloride takes up water from the air. Ours: store it in a stoppered bottle.
Zana zinazohitajika:
Chupa za kioo zenye viziboVifaa
2- 1 as requiredKishikilia Nafasi
- 1 as requiredKishikilia Nafasi
Zana Zinazohitajika
7- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
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