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?
a.
it’s a chemical reaction because a new substance has formed.
b.
it’s a physical change because the water and the salt kept their original properties.
c.
it’s an example of synthesis because two substances reacted to give one substance.
d.
it’s a chemical reaction because the water now tastes salty but originally did not.