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Watch Later 9:17

S2_SCI_9.5 _Potential hazards related to the use of acids and alkalis

Watch Later 5:12

S2_SCI_9.5 _使用酸和鹼時的潛在危險

Watch Later 5:21

S2_SCI_9.4.3 _Acid rain

Watch Later 4:13

S2_SCI_9.4.3 _酸雨

Watch Later 5:45

S2_SCI_9.4.2 _ Effect of acid on building materials

Watch Later 5:11

S2_SCI_9.4.2 _酸與建築材料的影響

Watch Later 7:16

S2_SCI_9.4.1 _Effect of acid on metals

Watch Later 4:43

S2_SCI_9.4.1 _酸與金屬的影響

Watch Later 5:33

S2_SCI_9.3.3_application_of_neutralization

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