ĐỀ KIỂM TRA 1 TIẾT hoa 9
Chia sẻ bởi Trịnh Nghĩa Ái |
Ngày 26/04/2019 |
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Chia sẻ tài liệu: ĐỀ KIỂM TRA 1 TIẾT hoa 9 thuộc Hóa học 9
Nội dung tài liệu:
ĐỀ KIỂM TRA 1 TIẾT
Môn : hóa học lớp 9
Thời gian : 45 phút
Họ tên………………………………….Lớp…………………..
Đề bài
Câu 1 : Nêu tính chất của oxit bazơ. Mỗi tính chất cho một ví dụ minh họa bằng phương trình hóa học.
Câu 2 : Thực hiện dãy biến hóa sau :
S SO2 SO3 H2SO4 Na2SO4 BaSO4
↓
SO2 Na2SO3
Câu 3 : Bằng phương pháp nhận biết 3 dung dịch riêng biệt: HCl, H2SO4, Na2SO4.
Câu 4 : Hòa tan 2,4 gam Mg trong 200ml dung dịch HCl .
a/ Viết phương trình hóa học và tính thể tích khí sinh ra.
b/ Tính nồng độ mol dung dịch HCl cần dùng .
c/ Tính khối lượng muối sinh ra.
( Biết Mg = 24, H = 1, Cl = 35.5)
Bài làm
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Môn : hóa học lớp 9
Thời gian : 45 phút
Họ tên………………………………….Lớp…………………..
Đề bài
Câu 1 : Nêu tính chất của oxit bazơ. Mỗi tính chất cho một ví dụ minh họa bằng phương trình hóa học.
Câu 2 : Thực hiện dãy biến hóa sau :
S SO2 SO3 H2SO4 Na2SO4 BaSO4
↓
SO2 Na2SO3
Câu 3 : Bằng phương pháp nhận biết 3 dung dịch riêng biệt: HCl, H2SO4, Na2SO4.
Câu 4 : Hòa tan 2,4 gam Mg trong 200ml dung dịch HCl .
a/ Viết phương trình hóa học và tính thể tích khí sinh ra.
b/ Tính nồng độ mol dung dịch HCl cần dùng .
c/ Tính khối lượng muối sinh ra.
( Biết Mg = 24, H = 1, Cl = 35.5)
Bài làm
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