Explain as physical or chemical change
Zinc dissolves in Hydraulic acid with evolution of hydrogen gas
Answers
Explanation:
a physical change is a type of change in which no new substances formed . no change in chemical composition it is a reversible change .
examples for physical change are breaking of Chalk, melting of ice and freezing of water exactra.
a chemical change is a type of change in which new substances are formed . these changes are Irreversible the chemical composition of the substance changes .
example for chemical changes cooking of food , digestion exactra.
when zinc combines with hydrochloric acid there is a type of displacement which is also known as displacement reaction . in this type of reaction zinc displaces hydrogen from hydrochloric acid and does we get the product as zinc chloride and hydrogen thus there is an evolution of hydrogen during this reaction.
thank you please mark my answer a Brainlist answer!!!!