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Sở Giáo Dục & Đào Tạo
NGhệ an
Kỳ thi chọn học sinh giỏi tỉnh lớp 9 THCS
năm học 2010 - 2011

Môn thi: Hóa học - bảng a
Thời gian: 150 phút (không kể thời gian giao đề)
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- Thí sinh được sử dụng bảng tuần hoàn các nguyên tố hóa học.
- Cán bộ coi thi không giải thích gì thêm.
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dịch bị mất nhãn sau: NaHSO
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