The best way to determine the presence of halogens is by adding a silver nitrate solution to the solvent. This is because all halogens, except for fluorine, produce a precipitate with silver nitrate solution.Chlorine produces a white precipitate, bromine produces a pale cream colored precipitate and iodine produces a yellow colored precipitate.
If further testing is required, concentrated sulfuric acid may be added. The sulfuric acid will produce misty fumes with fluorine and chlorine, brown fumes with bromine and purple fumes with iodine.
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alisa202
A. water is removed during dehydration synthesis
Clean coal technologies, such as advanced coal-fired power generation and carbon capture and storage, can allow the world's coal resource to be used in ways that are compatible with environmental and climate goals. The correct option is C.
<h3>What is coal capture and storage?</h3>
Carbon capture and storage (CCS) is the process of capturing carbon dioxide (CO2) before it enters the atmosphere, transporting it, and storing it for centuries or millennia (carbon sequestration).
Clean coal technologies, such as advanced coal-fired power generation and carbon capture and storage, can allow the world's coal resource to be used in ways that are compatible with environmental and climate goals.
Thus, the correct option is C.
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