chemical change
(chiefly US) To make a series of political speeches, especially to promote a particular cause.
(chemistry) any process in which reactants are changed into products by the breaking or creation of chemical bonds
(US) Toasted marshmallows and chocolate between graham crackers.
plural of martyrium
鉄がさびると、酸素と鉄が化学結合の切断と生成を通じて新しい化合物を作るため、化学変化が起こります。
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