<Tr> <Td> ChEBI </Td> <Td> <Ul> <Li> CHEBI: 49976 </Li> </Ul> </Td> </Tr> <Ul> <Li> CHEBI: 49976 </Li> </Ul> <Li> CHEBI: 49976 </Li> <Tr> <Td> ChemSpider </Td> <Td> <Ul> <Li> 5525 </Li> </Ul> </Td> </Tr>

What kind of reaction is zinc and hydrochloric acid