trong các oxit sau đây, oxit nào tan được trong nước ? Viết PTHH và gọi tên các sản phẩm tạo thành: SO3, CO, CuO, Na2O, CaO, CO2, Al2O3

Các câu hỏi liên quan

Bài 1: Chuyển các câu mệnh lệnh sau đây từ dạng câu khẳng định sang phủ định: 1. Go straight 2. Pass the bank 3. Cross the road 4. Turn left 5. Walk tho corner 6. Look at the map 7. Don't let the shop 8. Don't go tomorrow 9. Don't have a shower 10. Don't jump up now 11. Don't play the piano 12. Don't be careful Bài 2: Hoàn thành câu sau bằng cách điền cụm từ thích hợp dưới đây vào chỗ trống: Turn left/Stop the car/Help me!/Have/Don't listen/Pass/Don't be late/Open/Come/Catch/Take/Come in/Don't wait/Don't forget 1. _________ for me. I'm not coming toningt 2. _____________ with you. It's raining 3. ________ a rest. You look tired 4. __________ at the end of the street 5. _________ I can't swim 6. __________________ to take your passport 7. ___________ There is a mouse in the road 8. _____________to my cocktail part, please 9. _______________ your book at page 15 10. ________ the salt, please 11. ___________ to that record. It's terriblr 12. ________________ The train leaves at 8 o'clock 13. _____________ and have a glass of lemonade 12. ______________ the first train in the morning Bài 3: Viết câu mệnh lệnh dựa vào động từ cho sẵn 1. _____________ upstairs (to go) 2.______________ in this lake (not/to swim) 3. __________ your homwork (to do) 4. ________________ football in the yard (not/to play) 5. ______________ your teeth (to brush) 6. _________ during the lesson (not/to talk) 7._____________ the animals in the zoo (not/to be) 8. ___________ the instructions (to read) 9.____________ late for school (not/to be) 10. __________ your mobles (to swich off) 11. ____________ our brother (to aks) 12. ______ a pencil (not/to use) 13. ____________ up (to hurry) 14. ___________ quiet(to be) 15. ________ the police (not/to call) 16. ___________ your beds ( to make) 17. Please ___________ (to mind) 18. ___________ dad about my accident (not/to tell) 19. Please ___________ in this room (not/to smoke) 20. Let's __________ her mother in the kitchen (to help)