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Chapter 107 Niter Ice Making
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... to powder.
Chen Mo put these powdered salpeter into a wooden basin filled with water.
The chemical name of salpeter is potassium nitrate, which, when dissolved in water, absorbs heat and thus lowers the temperature.
As the powdered salpeter was poured into the wooden basin, the water in the basin reacted immediately.
Zhao Fujin placed her hand in the water and was amazed to find that the water temperature in the wooden basin was gradually decreasing.
"It’s ...
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