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gomezandy8537
13.03.2020 •
Chemistry
For question 17, thanks
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Ответ:
a) Zinc react with hydrochloric acid, it produces zinc chloride which is present in aqueous solution and hydrogen gas.
b) When calcium chloride react with sodium carbonate, it produces calcium carbonate (solid) and sodium chloride (liquid).
c) Sodium hydroxide react with hydrochloric acid, it produces sodium chloride (liquid) and water.
d) When calcium carbonate decompose, it forms calcium oxide which is present in solid form and carbondioxide gas.
Ответ:
Bueno,
Explanation:
Tres pesnamientos negativos sobre el C0Vid-19 son,
- Encerrados en la casa
- Tener que ponerse mascara
- Todos los lugares divertidos cerrados
Convertidos en positivos:
- Pasamos mas tiempo de calidad en familia.
- Nos protejemos unos a otros.
- Descansan un poco todas las personas que se han pasado toda la vida trabajando.