2022年AP考試放榜,附25門AP科目5分率匯總!2023年AP考位預報名開啟
2022年AP考試放榜 恭喜翰林學員收獲78個科目5分 近兩天我們為本年度翰林AP備考學員 (通過翰林報名AP考位并學習相應AP課程的學生) 每一門5分發放?888?元AP獎學金 雖然多個地區由于疫情原因取消了AP考試 翰林依舊...
2022年AP考試放榜 恭喜翰林學員收獲78個科目5分 近兩天我們為本年度翰林AP備考學員 (通過翰林報名AP考位并學習相應AP課程的學生) 每一門5分發放?888?元AP獎學金 雖然多個地區由于疫情原因取消了AP考試 翰林依舊...
Edexcel IGCSE Chemistry 復習筆記 2.7.9 Practical: Prepare Lead(II)Sulfate Practical: Prepare Lead(II)Sulfate Aim: To prepare a dry sample of lead(II) sulfate Diagram: The prepa...
Edexcel IGCSE Chemistry 復習筆記 2.7.8 Practical: Prepare Copper(II)Sulfate Practical: Prepare Copper(II)Sulfate Aim: To prepare a pure, dry sample of hydrated copper(II) sulfate crystals Materials...
2022年北京中考已經落下帷幕,全市參加中考的考生共10.09萬人,同比去年參考人數增加25%!對很多考生而言,出分以后亞歷山大。 但對于目光長遠的家庭來說,他們比同齡人多一重入學的身份,那就是科技特長生。 以...
Edexcel IGCSE Chemistry 復習筆記 2.7.7 Prepare an Insoluble Salt Prepare an Insoluble Salt Insoluble salts can be prepared using a?precipitation reaction The solid salt obtained is the preci...
Edexcel IGCSE Chemistry 復習筆記 2.7.6 Prepare a Soluble Salt II Prepare a Soluble Salt II Aim: To prepare a sample of a dry salt starting from an acid and an alkali Diagram: Diagram ...
Edexcel IGCSE Chemistry 復習筆記 2.7.5 Prepare a Soluble Salt Prepare a Soluble Salt A soluble salt can be made from the reaction of an acid with an insoluble base During the preparation of ...
Edexcel IGCSE Chemistry 復習筆記 2.7.4 Bases Bases What makes a base act like a base? Bases are substances which can neutralise an acid, forming a salt and water The term base and alkali are not th...
Edexcel IGCSE Chemistry 復習筆記 2.7.3 Reactions of Acids Reactions of Acids Reactions of acids with metals Only metals?above hydrogen?in the reactivity series will react with dilute acids T...
Edexcel IGCSE Chemistry 復習筆記 2.7.2 Acids, Bases & Protons Acids, Bases & Protons Proton transfer The earlier definition of an acid and a base can be extended In terms of proton t...
Edexcel IGCSE Chemistry 復習筆記 2.7.1 Solubility Rules Solubility Rules Ionic compounds are generally soluble in water compared to covalent substances, but there are exceptions A knowledge ...
Edexcel IGCSE Chemistry 復習筆記 2.6.3 Acid-Alkali Titrations Acid-Alkali Titrations Titrations are a method of analysing the?concentration?of solutions Acid-base titrations are one of the m...
? 2025. All Rights Reserved. 滬ICP備2023009024號-1