suggest a few physical changes and chemical changes using water sugar and sodium mental
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Physical Changes
Dissolving sugar in water is a physical change because sugar molecules are dispersed within the water but the individual sugar molecules are unchanged.
Chemical Changes
Reaction of sodium with bases
Sodium metal reacts rapidly with water to form a colourless basic solution of sodium hydroxide (NaOH) and hydrogen gas (H2). The reaction continues even when the solution becomes basic. The resulting solution is basic because of the dissolved hydroxide. The reaction is exothermic.
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