Coca-Cola recall due to 'excessively high chlorate content'
The recall affects cans and glass bottles in the Benelux, Britain, Germany, France. How chlorate occurs in food and drinks, ...
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Reactions of metals with acids
Calcium plus hydrochloric acid gives us calcium chloride. And zinc plus sulphuric acid gives us zinc sulfate. And the salt that we put on our food is produced when sodium reacts with hydrochloric ...
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G420: Graham’s Law of Diffusion – NH3 and HCl Diffusion
A cotton swab is dipped into concentrated hydrochloric acid (producing hydrogen chloride gas) while a second on is dipped into concentrated aqueous ammonia (producing ammonia gas). Both cotton swabs ...
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Testing for negatively charged ions
Explain why, in a test for sulfate ions, the sample is acidified with hydrochloric acid first. Carbonate ions also produce a white precipitate with barium chloride solution. The acid reacts with ...