Positive test for carbon dioxide. The liquid in the test tube is a saturated solution of calcium hydroxide (limewater),which is colourless. When air is bubbled into it through a glass straw the carbon dioxide turns the limewater cloudy. This is because calcium carbonate is precipitated out as a white suspended solid | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Chillmaid, Martyn F. |
Bildgröße: | 3414 px × 5120 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |