select the correct answer. samuel adds a teaspoon of salt to a glass of water. he notices that the salt…
select the correct answer. samuel adds a teaspoon of salt to a glass of water. he notices that the salt disappears. samuel takes a sip to discover that the water tastes salty. what kind of change has occurred?\na. its a chemical reaction because a new substance has formed.\nb. its a physical change because the water and the salt kept their original properties.\nc. its an example of synthesis because two substances reacted to give one substance.\nd. its a chemical reaction because the water now tastes salty but originally did not.
Answer
Brief Explanations:
La disolución de la sal en el agua es un cambio físico. Las propiedades químicas de la sal y del agua no cambian. La sal se disuelve en iones en el agua, pero no se forma un nuevo compuesto químico.
Answer:
B. It's a physical change because the water and the salt kept their original properties.