SỞ GD-ĐT QUẢNG BÌNH
ĐỀ CHÍNH THỨC
Số BD:……………
KÌ THI CHỌN HỌC SINH GIỎI LỚP 9 THCS
Ngày 28 - 03 – 2013
Môn: Hóa
Thời gian: 150 phút (không kể thời gian giao đề)
Bài 1 (2,0 điểm)
1.  
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1'989:;<=0>?@3ABC
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2.ABCD!68C"#
FG/<HB3
IFG/9</83
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Bài 2 (2,0 điểm)
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Bài 3 (1,75 điểm)
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Bài 4 (2,0 điểm)
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SỞ GD-ĐT QUẢNG BÌNH

KÌ THI CHỌN HỌC SINH GIỎI LỚP 9 THCS
Ngày 28 - 03 – 2012
Môn: Hóa
HƯỚNG DẪN CHẤM
Bài 1 (2,0 điểm)
1. (1,0 điểm)
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Bài 2 (2,0 điểm)
1. (1,0 điểm)
iD!1ME?LCME?,1*!3
25?L1C5?,1)'+3
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Bài 5 (2,25 điểm)
1. (1,25 điểm)
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