Kiểm tra viết môn : hóa 8 thời gian : 45 phút (không kể phát đề )
Caâu 1: Hôïp chaát Fe(NO3)x coù phaân töû khoái laø 242 ñvC. Giaù trò cuûa x laø:
A.3 B.2 C.1 D.4
Caâu2: Chọn câu đúng nhất trong các câu sau:
A.Chất có trong vật thể tự nhiên. B.Chất có trong vật thể nhân tạo.
C.Mọi vật liệu đều chứa một chất. D.Chất có trong mọi vật thể xung quanh ta.
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Tuaàn :08 Ngaøy soaïn : Tieát :14 Ngaøy daïy : KIEÅM TRA VIEÁT I. MUÏC TIEÂU : 1.Kieán thöùc : Kieåm tra laïi kieán thöùc töø baøi 1 ñeán baøi 11. 2.Kó naêng : Reøn luyeän kó naêng: -Laäp coâng thöùc hoùa hoïc, tính phaân töû khoái. -Giaûi baøi taäp hoùa hoïc, tính toaùn chính xaùc. II.CHUAÅN BÒ: GV: Giaùo aùn + SGK + SGV. Ñeà kieåm tra HS: Thuoäc baøi cuõ – Laøm baøi taäp . III.HOAÏT ÑOÄNG DAÏY HOÏC . 1.Kieåm tra : Tieán haønh kieåm tra ÑEÀ: I1 .TRAÉC NGHIEÄM KHAÙCH QUAN : (3ñieåm ) Choïn caâu ñuùng trong caùc caâu sau: Caâu 1: Hôïp chaát Alx(NO3)3 coù phaân töû khoái laø 213 ñvC. Giaù trò cuûa x laø: A.3 B.2 C.1 D.4 Caâu2:Cho caùc caâu sau: Cô theå ngöôøi coù veà khoái löôïng laø nöôùc (1), Loõi buùt chì ñöôïc laøm baèng than chì (2). Keát luaän ñuùng trong 4 keát luaän sau laø: A.Cô theå ngöôøi laø chaát B.Nöôùc laø vaät theå C.Than chì laø chaát D.Loõi buùt chì laø chaát. Caâu 3: Haït nhaân nguyeân töû ñöôïc taïo bôûi:
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Kiem tra Hoa 8 lan 1.doc
