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dontcareanyonemo
15.07.2019 •
Chemistry
If a solid forms when two ionic solutions are mixed together in a test tube, what does this indicate?
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Ответ:
The precipitaion os the solid indicates that a new product has been formed which is not soluble.
When a solid ionic compound is put in water, the compound is dissolved by ionizing (the ions separate and remain in aqueous phase). If you combine two ionic solutions and see a solid precipiate is becasue the ions have combined and form a new compound which is not soluble.
Ответ:
Tobacco use
Explanation:
Smoking causes cancer, heart disease, stroke, lung diseases, diabetes, and chronic obstructive pulmonary disease (COPD), which includes emphysema and chronic bronchitis. Smoking also increases risk for tuberculosis, certain eye diseases, and problems of the immune system, including rheumatoid arthritis