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Anonymous users2024-01-24B.Sodium carbonate.
Carbon dioxide is the colorless and odorless gas that can make clarified lime water turbid.
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Anonymous users2024-01-23B Sodium carbonate.
Hydrochloric acid is added to soda ash, and the gas that can be released to clarify lime water becomes turbid is carbon dioxide, so soda ash contains carbonate ions, and it is a compound containing sodium, so choose B sodium carbonate according to the option.
Question B analysis: Reaction with hydrochloric acid can produce a gas that can make the clarified lime water turbid, then the gas is carbon dioxide. Combined with the test method of carbonate ions, it can be seen that soda ash must contain carbonate ions. >>>More
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There are many pots in the kitchen, but the most used ones should be stainless steel pots and iron pots, because they are not easy to stick to the pan and have a high price.
Schools, such as switchboards, ships and other places to kill all kinds of cockroaches, trains, use safety, do not affect the business; >>>More