Mg + HCl (hoặc H2SO4loãng) → Fe + HCl (hoặc H2SO4loãng) → Cu + HCl (hoặc H2SO4loãng) → CaO + HCl (hoặc H2SO4loãng) → FeO + HCl (hoặc H2SO4loãng) → Fe3O4 + HCl (hoặc H2SO4loãng) → Fe2O3 + HCl (hoặc H2SO4loãng) → NaOH + HCl (hoặc H2SO4loãng) → Cu(OH)2 + HCl (hoặc H2SO4loãng) → Fe(OH)2 + HCl (hoặc H2SO4loãng) → Fe(OH)3 + HCl (hoặc H2SO4loãng) → CaCO3 + HCl (hoặc H2SO4loãng) → Ca(HCO3)2 + HCl (hoặc H2SO4loãng) → giúp em với ạ

Dựa vào gợi ý trong ngaowcj, hãy trả lời các câu hỏi dưới đây để nói về kế hoạch vào tuần sau của Ms. Kim. Đừng quên sử dụng cấu trúc câu thì hiện tại tiếp diễn. 1. What is Kim doing on Monday evening? ( to meet Tom) ______________________________________ 2. What is she doing on Tuesday afternoon? ( to look after Carol’s kids) ______________________________________ 3. What is she doing on Tuesday evening? ( play badminton) ______________________________________ 4. What is she doing on Wednesday morning? ( see the dentist) ______________________________________ 5. What is she doing on Wednesday evening? ( work late) ______________________________________ 6. What is she doing on Thursday afternoon? ( pick up Jen from the airport) ______________________________________ 7. What is she doing on Friday evening? ( go to a concert) ______________________________________ 8. What is dhe doing on Saturday morning? ( go on a sight-seeing tour with Jen). ______________________________________ 9. What is she doing on Saturday evening? ( organise a party) ______________________________________ 10. What is she doing on Sunday morning? ( take Jen to the airport) ______________________________________

mong mng giải thích các bước giải ạ

Chỉ cần đáp án thôi ạ , không cần giải chi tiết đâu ạ

ah cj giúp e vs ạ e đg cần gấp lắm

Hiện nay mẹ hơn con 24 tuổi Cách đây 3 năm con bằng 1/4 tuổi me tính tuổi của mỗi người

Exercise 3. Choose the best answer (Bài tập Olm) 1. Tom wakes his parents up .................... playing the guitar very softly. A. because B. in spite of C. because of D. although 2. .................... she was very hard working; she hardly earned enough to feed her family. A. In spite of B. Because C. Because of D. Although 3. I went to the club last Saturday .................... the heavy rain. A. because of B. because C. in spite of D. though 4. Despite the fact that it rained, we enjoyed our trip. A. Because of the rain C. Though it is raining B. Despite of the heavy rain D. Though it rained 5. Although he is very old, he can walk to the station. A. In spite of his old age C. Despite the fact that he is old B. Despite his old age D. All are correct 6. The boy can’t reach the shelf .................... he’s not tall enough. A. because B. although C. even though D. and 7. Nam failed the final exam .................... he was lazy. A. while B. though C. because D. but 8. We didn’t go for a walk .................... it was very cold. A. though B. because C. but D. so 9. I’m learning English .................... I want to get a better job. A. or B. because C. therefore D. but 10. The flight was delayed ……………. ..the fog. A. in spite of B. because of C. though D. since 11. Huong didn’t participate in the contest …………… her lack of confidence. A. because B. because of C. since D. despite 12. He hid that letter in a book …………. no one could read it. A. so that B. because C. although D. in spite of 13. ………………. Nam was unable to see anthing, he knew someone was in his room. A. because B. In case C. If D. Even though 14. The mother got angry because …………………………………... . A. her son behaved badly C. her son will behave badly B. her son’s bad behavior D. her son bad behaving 15. …………….. the liberation of women, women can take part in social activities. A. Because B. Thanks to C. while D. As please help me!!!

Mọi người giúp em với ạ, em sẽ vote 5* cho câu trả lời của mn ạ :((((

vở bài tập trắc nghiệm và tự luận lớp 5 tiết 2

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