Correct, Melting chocolate, Mixing gravel and sand, Water turning into steam, Freezing water to make ice, Mixing vinegar and a bicarbonate of soda, Incorrect, Frying an egg, Burning wood, Making bread into toast, Dissolving salt in water, Baking a cake

Reversible changes

Vizualni slog

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Lestvica vodilnih

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Obnovi samodejno shranjeno: ?