Question

acid+metal-> salt +hydrogen
acid-h2so4
metal au,zn,al,ag
salt is what​

Answer 1

when acid is H2SO4

the salts are-

• au- no salt as no reaction takes place as au is below hydrogen in the reactivity series
• zn - ZnSO4
• al - Al2(SO4)3
• Ag - no salt as no reaction takes place as Ag is below hydrogen in the reactivity series

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Answer 2

salt is any chemical compound formed from the reaction of an acid with a base, with all or part of the hydrogen of the acid replaced by a metal or other cation.

in a neutralization reaction,

salt is a compound formed by replacement of acid's hydrogen atoms with metal atoms of base..

in acid metal reactions,

salt is formed by replacement of acid's hydrogen atoms with the metal atoms

au+h2so4-> au2(so4)3+h2

here aluminium sulphate is the salt.

the same applies for all of the above examples u stated