ĐỀ KIỂM TRA 1 TIẾT hoa 9

Chia sẻ bởi Trịnh Nghĩa Ái | Ngày 26/04/2019 | 24

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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