Density, solubility in water, color, odor, and melting point are all physical properties of metal since some are visually seen while some are reversible reactions.
Flammability and reactivity with water are both chemical properties since they involve reacting a substance with another substance to give the product.
Properties of a chemical substance can either be physical or chemical in nature depending on the nature of the substance and means of reaction.
Physical reactions occur when a substance undergoes a physical change that is reversible in nature.
Chemical reactions occur when a substance undergoes an irreversible reaction.
Based on the listed option, we can conclude that density, solubility in water, color, odor, and melting point are all physical properties of metal since some are visually seen while some are reversible reactions.
Flammability and reactivity with water are both chemical properties since they involve reacting a substance with another substance to give the product.
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