Examples of chemical change.
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SUBLIMATION:is a chemical change in which a solid is directly converted to a liquid.
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a -
when magnesium ribbon burns in air is combined with oxygen to form magnesium oxide
Magnesium + oxygen =magnesium oxide
b- sodium hydrogen carbonate combined with vinegar to form Sodium Acetate + carbon dioxide + water
Sodium hydrogen + Acetic Acid = sodium acid + carbon dioxide + water
C - when lime water combines with carbon dioxide to form calcium carbonate and water
lime water + carbon dioxide = calcium carbonate + water
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