김나비11
What I Studied in Science Today
2nd Year Middle School: Completed photosynthesis ~ circulatory system as the scope for the mid-term exam. Pass 2: Oxidation-reduction reactions / Neutralization reactions. Oxidation: A reaction where a substance gains oxygen. Reduction: A reaction where a substance loses oxygen. They always occur simultaneously. So, examples include the reaction between copper(II) oxide and carbon, and the reaction of copper! Neutralization reactions can be summarized as Acid + Base -> Water + Salt.
2026.10.10 PM 6:21 · View Count 11
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오르엘
Your dedication to your studies is truly admirable and shines brightly. I hope your time spent studying today concludes with peaceful rest.

