Kiểm tra Hóa 8 Tiết 46
Chia sẻ bởi Nguyễn Ngọc Trinh |
Ngày 17/10/2018 |
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Chia sẻ tài liệu: Kiểm tra Hóa 8 Tiết 46 thuộc Hóa học 8
Nội dung tài liệu:
Trường THCS Hàm Rồng Thứ …. ngày ….. tháng 02 năm 2015
Lớp 8........ BÀI KIỂM TRA MÔN HOÁ HỌC
Họ tên: …………………… Tiết 46 – Thời gian: 45’
Điểm
Lời phê của cô giáo
ĐỀ BÀI ĐỀ CHẴN
I) Trắc nghiệm : ( 3đ ) Khoanh tròn vào ý đúng trong các câu sau :
Câu1: ( 0,5đ) Oxit là hợp chất của oxi với :
a) 2 nguyên tố hóa học khác b) 3 nguyên tố hóa học khác .
c) 1 nguyên tố hóa học khác d) 4 nguyên tố hóa học khác .
Câu 2 : (0,5đ) Trong các phản ứng hóa học sau , phản ứng nào là phản ứng hóa hợp:
a) b)
c) d)
Câu 3 :(1đ) Trong các oxit sau , những oxit nào là nhóm oxit axit ?
a) CaO , CO2 . b) CaO , CuO . c) SO2 , P2O5 . d) BaO , SO3 .
Câu 4:(1đ)Trong phòng thí nghiệm,oxi được điều chế từ 2 chất nào?
a) b) c) Không khí, H2O
II) Tự luận : ( 7đ)
Câu1 : ( 4đ) Cân bằng các phương trình hóa học sau :
a) ? Mg + O2 to ? MgO . b) ?Al + ?O2 to ? Al2O3 .
c) ?Fe + ?O2 to Fe3O4 . d) ?Na + O2 ?Na2O .
Câu 2:(3đ) Đốt 8 gam lưu huỳnh trong bình chứa khí oxi(dư), tạo thành lưu huỳnh đi oxit (SO2 ) .
a)Viết phương trình phản ứng .
b)Tính khối lượng lưu huỳnh đioxit (SO2 ) tạo thành .
(Cho nguyên tử khối của các nguyên tố:S=32;O=16)
BÀI LÀM
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Trường THCS Hàm Rồng Thứ …. ngày ….. tháng 02 năm 2015
Lớp 8........ BÀI KIỂM TRA MÔN HOÁ HỌC
Họ tên: …………………… Tiết 46 – Thời gian: 45’
Điểm
Lời phê của cô giáo
ĐỀ BÀI ĐỀ LẺ
I) Trắc nghiệm : ( 3đ ) Khoanh tròn vào ý đúng trong các câu sau :
Câu1: ( 0,5đ) Oxit là hợp chất của oxi với :
a) 1 nguyên tố hóa học khác b) 2 nguyên tố hóa học khác .
c) 3 nguyên tố hóa học khác d) 4 nguyên tố hóa học khác .
Câu 2 : (0,5đ) Trong các phản ứng hóa học sau , phản ứng nào là phản ứng phân hủy:
a) b)
c) d)
Câu 3 :(1đ) Trong các oxit sau , những oxit nào là nhóm oxit bazơ ?
a) CaO , CO2 . b) CaO , CuO . c) SO2 , P2O5 . d) BaO , SO3 .
Câu 4:(1đ)Trong công nghiêp, oxi được điều chế từ 2 chất nào?
a) b) c) Không khí, nước
II) Tự luận : ( 7đ)
Câu1 : ( 4đ) Cân bằng các phương trình hóa học sau :
a) ? K + O2 to ? K2O . b) ?P + ?O2 to ? P2O5 .
c) ?Al + ?O2 to Al2O3. d) ?Zn + O2 ?ZnO .
Câu 2:(3đ) Đốt 12,4 gam phốt pho trong bình chứa khí oxi(dư), tạo đi phốt pho penta oxit (P2O5).
a)Viết phương trình phản ứng .
b)Tính khối lượng đi phốt pho penta oxit (P2O5) tạo thành.
(Cho nguyên tử khối của các nguyên tố:P=31;O=16)
BÀI LÀM
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Lớp 8........ BÀI KIỂM TRA MÔN HOÁ HỌC
Họ tên: …………………… Tiết 46 – Thời gian: 45’
Điểm
Lời phê của cô giáo
ĐỀ BÀI ĐỀ CHẴN
I) Trắc nghiệm : ( 3đ ) Khoanh tròn vào ý đúng trong các câu sau :
Câu1: ( 0,5đ) Oxit là hợp chất của oxi với :
a) 2 nguyên tố hóa học khác b) 3 nguyên tố hóa học khác .
c) 1 nguyên tố hóa học khác d) 4 nguyên tố hóa học khác .
Câu 2 : (0,5đ) Trong các phản ứng hóa học sau , phản ứng nào là phản ứng hóa hợp:
a) b)
c) d)
Câu 3 :(1đ) Trong các oxit sau , những oxit nào là nhóm oxit axit ?
a) CaO , CO2 . b) CaO , CuO . c) SO2 , P2O5 . d) BaO , SO3 .
Câu 4:(1đ)Trong phòng thí nghiệm,oxi được điều chế từ 2 chất nào?
a) b) c) Không khí, H2O
II) Tự luận : ( 7đ)
Câu1 : ( 4đ) Cân bằng các phương trình hóa học sau :
a) ? Mg + O2 to ? MgO . b) ?Al + ?O2 to ? Al2O3 .
c) ?Fe + ?O2 to Fe3O4 . d) ?Na + O2 ?Na2O .
Câu 2:(3đ) Đốt 8 gam lưu huỳnh trong bình chứa khí oxi(dư), tạo thành lưu huỳnh đi oxit (SO2 ) .
a)Viết phương trình phản ứng .
b)Tính khối lượng lưu huỳnh đioxit (SO2 ) tạo thành .
(Cho nguyên tử khối của các nguyên tố:S=32;O=16)
BÀI LÀM
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Trường THCS Hàm Rồng Thứ …. ngày ….. tháng 02 năm 2015
Lớp 8........ BÀI KIỂM TRA MÔN HOÁ HỌC
Họ tên: …………………… Tiết 46 – Thời gian: 45’
Điểm
Lời phê của cô giáo
ĐỀ BÀI ĐỀ LẺ
I) Trắc nghiệm : ( 3đ ) Khoanh tròn vào ý đúng trong các câu sau :
Câu1: ( 0,5đ) Oxit là hợp chất của oxi với :
a) 1 nguyên tố hóa học khác b) 2 nguyên tố hóa học khác .
c) 3 nguyên tố hóa học khác d) 4 nguyên tố hóa học khác .
Câu 2 : (0,5đ) Trong các phản ứng hóa học sau , phản ứng nào là phản ứng phân hủy:
a) b)
c) d)
Câu 3 :(1đ) Trong các oxit sau , những oxit nào là nhóm oxit bazơ ?
a) CaO , CO2 . b) CaO , CuO . c) SO2 , P2O5 . d) BaO , SO3 .
Câu 4:(1đ)Trong công nghiêp, oxi được điều chế từ 2 chất nào?
a) b) c) Không khí, nước
II) Tự luận : ( 7đ)
Câu1 : ( 4đ) Cân bằng các phương trình hóa học sau :
a) ? K + O2 to ? K2O . b) ?P + ?O2 to ? P2O5 .
c) ?Al + ?O2 to Al2O3. d) ?Zn + O2 ?ZnO .
Câu 2:(3đ) Đốt 12,4 gam phốt pho trong bình chứa khí oxi(dư), tạo đi phốt pho penta oxit (P2O5).
a)Viết phương trình phản ứng .
b)Tính khối lượng đi phốt pho penta oxit (P2O5) tạo thành.
(Cho nguyên tử khối của các nguyên tố:P=31;O=16)
BÀI LÀM
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