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แบบฝึกหัดหน่วยที่ 6
คําชี้แจง จงตอบคําถามต่อไปนี้ให้ถูกต้อง
1. สมบัติทางกายภาพกับสมบัติทางเคมีของสารต่างกันอย่างไร
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2. การเกิดปฏิกิริยาเคมีของสาร คือ
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3. การจําแนกขนาดอนุภาคสาร สามารถแบ่งได้กี่กลุ่ม อะไรบ้าง
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4. จุดหลอมเหลว คือ
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5. จุดควบแน่น คือ
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