Câu hỏi: Phương trình hóa học CuCl2 + 2NaOH → Cu(OH)2 + 2NaCl có phương trình ion rút gọn là Lời giải tham khảo: Đáp án đúng: C Phương trình phân tử: CuCl2 + 2NaOH → Cu(OH)2 + 2NaCl Phương trình ion đầy đủ: Cu2+ 2Cl– + 2Na+ + 2OH– → Cu(OH)2 ↓ + 2Na+ + 2Cl– Phương trình ion rút gọn: Cu2+ + 2OH– → Cu(OH)2 ↓ […]
Câu hỏi: Một tủ sách có hai ngăn. Ngăn trên có 275 quyển sách. Ngăn dưới có 170 quyển. Người ta lấy ra ở mỗi ngăn 70 quyển để cho mượn. Hỏi bây giờ tủ sách có bao nhiêu quyển sách ? Lời giải tham khảo: Đáp án đúng: A Số sách còn lại ở […]
ISLAMABAD: The Federal Board of Revenue’s (FBR) technology head has resigned from his position due to differences over his salary package, as taxmen also apparently remain averse of using technology to maximise income tax revenues. Mansoor Sultan, who had been hired hardly a year ago as chief information officer (CIO) resigned from his position due […]
Bạn đang ở:Trang chủ / Đề thi HK1 môn Toán 12 / Cho hàm số (y = fleft( x right)) xác định trên (mathbb{R}) và có đồ thị như hình bên. Phương trình ({left[ {fleft( x right)} right]^2} + fleft( x right) = 0) có bao nhiêu nghiệm ? Link Hoc va de thi 2021
25/12/2021 // by admin Câu hỏi: Tìm điều kiện của tham số m để phương trình (2{x^3} – 3{x^2} – 2m – 1 = 0) có ba nghiệm phân biệt. Lời giải tham khảo: Đáp án đúng: A Để phương trình (2{x^3} – 3{x^2} – 2m – 1 = 0) có ba nghiệm phân biệt thì đồ […]
Electronic Arts has filed a bunch of new patents that hint at the possibility of AI technology being used for the purpose of creating characters in the game. Ever since it was launched in the year 2014, a large amount of content or material has been added to The Sims 4. But, none of those […]
Considered as a KOL with great influence in the gaming community, ViruSs has recently continued to show how ‘multi-talented’ it is with a series of moves to ‘encroach’ into the GameFi and blockchain fields, which are currently attracted great attention in Vietnam. Accordingly, when as a guest on a talkshow held at the end of […]
Question: Find the mistake: Education (A) and training are an (B) important steps in get (C) the kind of job that (D) you would like to have. Reference explanation: Correct answer: GET Explanation: “education and training” => are 2 things so must use plural => do not use “an” Education and training are important steps […]
The aftershocks of the Covid-19 pandemic left the supply chains around the world grappling to survive. Gaping loopholes in the traditional methods of operating the procurements arm of business activities have come to light. In this context, SAP and CNBC TV18 came together in a technological conclave to explore the possibilities that procurement can look at and […]
Question: “Would you like to go to the movies tonight?” – “…………..” Reference explanation: Correct answer: GET Explanation: How to accept an invitation/offer: Yes, I would/Yes, please/Yes, I’d love to. Translation: “Do you want to go to the movies tonight?” “Yes” Answer: REMOVE Think and answer questions before QAZDO provides answers and solutions ADSENSE =============== […]