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GCSE Chemistry 2020-2022 OCR Gateway

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Question:

What can happen if a Metal reacts with an Acid? Examples with Hydrochloric Acid, Sulfuric Acid and Nitric Acids.

Author: eric_galvao



Answer:

-A Salt and Hydrogen is made from this Hydrochloric Acid: 2HCl + Mg ---> MgCl² + H² [Makes Magnesium Chloride] 6HCl + 2Al ---> 2AlCl³ + 3H² [Makes Aluminium Chloride] Sulfuric Acid: H²SO⁴ + Mg --> MgSO⁴ + H² [Makes Magnesium Sulphate] 3H²SO⁴ + 2Al ---> Al²(SO⁴)³ + 3H² [Makes Magnesium Sulphate] Nitric Acid makes Nitrate Salts, but its even more Complicated The other products are either H²O, NO, NO² Balancing the equation is pretty tricky to Guess


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