user-avatar
Hyunhyun
2 năm trước
2. Nhận biết các dung dịch Thí nghiệm 3: Nhận biết 3 dung dịch mất nhãn H2SO4 loãng, HCl, Na2SO4. (HS trình bày đủ 3 bước: trích mẫu thử, bảng hoặc sơ đồ, PTHH) help me plssss
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

II. Choose A, B, C or D for each gap in the following sentences 1. Lan often uses her headphones when she listens to music her parents don’t like loud noise. A. so B. but C. because D. and 2. Ngoc loves outdoors with trees and flowers A. will be B. be C. is D. being 3. I think 10 years from now more people going to work by bicycles. A. to enjoy B. enjoy C. enjoying D. will enjoy 4. He ate a lot of fried food so he fat quickly. A. get B. got C. gets D. will get 5. The Japanese eat a lot of fish and healthy food, they live for a long time A. so B. because C. or D. but 6. Mai…………English for more than a year but she speaks it very well. A. learns B. learn C. learned D. has learned 7. You should watch less T.V because looking at the screen for too long your eyes. A. hurt B. hurts C. is hurting D. to hurt 8. Will you ………………….making models in the future. A. find B. take up C. look for D. pick up 9. I love my sister’s paintings because she is very ……………….in using colours. A. care B. careless C. creative D. imagine 10. Do you like …………………..? A. fish B. to fish C. fishing D. fished

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team