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.
