Criado por Joshua Rees
quase 9 anos atrás
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Dilute nitric acid is added followed by some silver nitrate solution. A cream precipitate forms.
Sodium hydroxide is added followed by aluminium powder or foil. The gas given off has a characteristic choking smell and turns red litmus paper blue.
Dilute hydrochloric acid is added followed by some barium chloride solution. A white precipitate forms. Also, give the name of the precipitate.
Dilute nitric acid is added followed by some silver nitrate solution. A yellow precipitate forms.
A few drops of sodium hydroxide solution is added. The gas given off has a characteristic choking smell and turns red litmus paper blue. Also, give the name of the gas given off.
Dilute nitric acid is added followed by some silver nitrate solution. A white precipitate forms.
Dilute hydrochloric acid is added to the solution. The gas given off turns limewater cloudy/milky. Also, give the name of the gas given off.
A liquid is blue in colour. What transitional metal ions are most likely to be present?
A liquid is orange-brown in colour. What transitional metal ions are most likely to be present?
A liquid is green in colour. After being left to stand, it turns orange-brown in colour. What transitional metal ions are most likely to be present?