IWhite powder is added to water.Gas is given off.IIA solution is heated until it boils.Vapour rises, and solute is left in the beaker.IIIYellow powder is added to water.Yellow powder is added to water.IVA pure solution is added to another pure solution.A powder appears at the bottom of the beaker.
Question
IWhite powder is added to water.Gas is given off.IIA solution is heated until it boils.Vapour rises, and solute is left in the beaker.IIIYellow powder is added to water.Yellow powder is added to water.IVA pure solution is added to another pure solution.A powder appears at the bottom of the beaker.
Solution
I. El polvo blanco se añade al agua. Se desprende gas.
- Esto sugiere una reacción química entre el polvo blanco y el agua, produciendo un gas como uno de los productos.
II. Se calienta una solución hasta que hierve. El vapor se eleva y el soluto queda en el vaso.
- Este es un proceso de evaporación donde el solvente (agua) se convierte en vapor y el soluto (sustancia disuelta) se queda en el recipiente.
III. Se añade polvo amarillo al agua. Se añade polvo amarillo al agua.
- Esto parece ser una repetición, pero implica que el polvo amarillo no se disuelve en el agua, ya que no se menciona ningún cambio.
IV. Se añade una solución pura a otra solución pura. Aparece un polvo en el fondo del vaso.
- Esto indica una reacción de precipitación donde dos soluciones reaccionan para formar un sólido insoluble que se deposita en el fondo del vaso.
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