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Ôn tập kiểm tra giữa kì 1 2020-2021 Hóa Lớp 8 và Lớp 9 THCS

Ôn tập kiểm tra giữa kì 1 2020-2021 Hóa Lớp 8 và Lớp 9 THCS

Ôn tập kiểm tra giữa kì 1 2020-2021 Hóa Lớp 8 và Lớp 9 THCS

Posted: 01 Nov 2020 03:30 AM PST

Ôn tập kiểm tra giữa kì I 2020-2021 Hóa 8 1. Phải thuộc lòng hóa trị (trang 42 và 43 SGK Hóa 8) để lập công thức hóa học của các hợp chất bằng qui tắc đường chéo. 2. Tìm được hóa trị của các nguyên...

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Lỗi sai hay gặp khi dự đoán phản ứng hóa học

Posted: 01 Nov 2020 03:22 AM PST

 Lỗi sai hay gặp khi dự đoán phản ứng hóa học Trong kỳ thi THPT quốc gia, ở môn hóa, học sinh thường dự đoán sai các phản ứng hóa học. Để khắc phục nhầm lẫn này, các em cần lưu ý những điều...

Thank you for spending some time at my site : www.tranganhnam.xyz and in my blog : http://hocdethi.blogspot.com/. I hope you come to visit again soon!

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