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?
OA.
OB.
OC.
OD.
It's a chemical reaction because a new substance has formed.
It's a physical change because the water and the salt kept their original properties.
It's an example of synthesis because two substances reacted to give one substance.
It's a chemical reaction because the water now tastes salty but originally did not.
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One of water's important properties is that it is composed of polar molecules: the hydrogen and oxygen within water molecules (H2O) form polar covalent bonds.
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