Cho em hỏi là các chất điện ly mạnh thì dẫn điện tốt và phân li tốt, các chất điện ly yếu thì dẫn điện yếu và phân li yếu là đúng hay sai vậy ạ? lấy ví dụ chứng minh nếu sai Em mới học phần này nên chưa biết nhiều về chất điện ly lắm ạ =))

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Choose A, B, C or D to indicate the correct answer to each of the following questions. 1. I like going to the beach ______ the summer. A. in B. on C. at D. with 2. I'll see you ______ May. A. for B. at C. in D. on 3. Let's meet ______ 4:30 this afternoon. A. at B. for C. in D. over 4. It was stormy ______ my 13th birthday. A. for B. at C. in D. on 5. I'll hold a meeting ______ the 10th of June. A. at B. in C. on D. over 6. I like to watch TV ______ night. A. at B. in C. on D. between 7. My school is ______ Tran Hung Dao street. A. from B. on C. at D. in 8. Hang's piano classes are ______ Mondays and Fridays. A. on B. of C. in D. about 9. He goes to school ______ car. A. on B. in C. with D. by 10. My meeting is ______ Thursday morning. A. about B. of C. in D. on 11. I was born ______ Edinburg. A. on B. at C. into D. in 12. My father will be back ______ a few hours. A. at B. over C. in D. on 13. Tomorrow, I’ll take a test ______ the afternoon. A. of B. on C. in D. for 14. He poured the tea ______ the cup. A. into B. at C. over D. on 15. He put the books ______ the table. A. over B. on C. at D. in 16. The father sat ______ his kids. A. near to B. above C. next to D. under 17. To answer this question, you can search for more information ______ the Internet. A. over B. in C. at D. on 18. When I was young, I went ______ school ______ foot. A. to - in B. to - by C. to - on D. at - on 19. My nephew is doing his homework ______ the moment. A. for B. at C. in D. during 20. Everything happened ______ the same time. A. On B. In C. At D. Under 21. The game show will not be ______ TV this week. A. over B. in C. for D. on 22. I'll see you ______ a moment. = in a while A. at B. in C. around D. with 23. Look ______ him, he is singing! A. at B. in C. around D. with 24. I usually exercise ______ 15 minutes before having breakfast. A. B. C. on D. for 25. My grandfather lives ______ the sea. A. at B. by C. under D. near to