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
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