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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.
Oqalayo
1 day
Imiyalelo
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.
Izinto zokwakha zalesi sinyathelo:
I-calcium carbonate (umcako omhlophe)1 as required
I-hydrochloric acid1 as requiredAmathuluzi adingekayo:
Ibhikha Lengilazi
Isigovuzi
Izibuko Zokuchitheka Kwamakhemikhali
Amagilavu erabha2
2
Evaporate
Evaporate
Evaporate the solution to obtain the calcium chloride. Ours: an evaporating dish on a hot plate.
Amathuluzi adingekayo:
Ipuleti Lokuhwamuka
Ipuleti Elishisayo3
3
Keep it closed
Keep it closed
Calcium chloride takes up water from the air. Ours: store it in a stoppered bottle.
Amathuluzi adingekayo:
Amabhodlela engilazi anezivimboIzinto
2- 1 as requiredIsibambeli
- 1 as requiredIsibambeli
Amathuluzi Adingekayo
7- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
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