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Bộ đề thi thử THPT QG 2018 Các môn TOÁN - LÍ - HÓA Các trường THPT Cả nước CÓ HƯỚNG DẪN GIẢI (Lần 8) [DC11042018]

https://app.box.com/s/nhxs7vnw9na94twmj7hc0inbdjzwv940

https://twitter.com/daykemquynhon plus.google.com/+DạyKèmQuyNhơn www.facebook.com/daykem.quynhon http://daykemquynhon.blogspot.com D. Phân tử X chứa 54 nguyên tử cacbon. http://daykemquynhon.ucoz.com Nơi bồi dưỡng kiến thức Toán - Lý - Hóa cho học sinh cấp 2+3 / Diễn Đàn Toán - Lý - Hóa 1000B Trần Hưng Đạo Tp.Quy Nhơn Tỉnh Bình Định Câu 38: Hỗn hợp M chứa 2 peptit X, Y (có số liên kết peptit hơn kém nhau 1 liên kết). Đốt cháy hoàn toàn 10,74 gam M cần dùng 11,088 lít O 2 (đktc), dẫn sản phẩm cháy vào bình đựng nước vôi trong dư, thấy khối lượng bình tăng lên 24,62 gam. Mặt khác, cho 0,03 mol M tác dụng vừa đủ với 70 ml NaOH 1M (đun nóng) thu được hỗn hợp sản phẩm Z gồm 3 muối: Gly, Ala, Val trong đó muối của Gly chiếm 38,14% về khối lượng. Phần trăm về khối lượng muối của Val trong Z gần nhất với giá trị nào sau đây? A. 23,3%. B. 18,0%. C. 24,3%. D. 31,4%. Câu 39: Cho các nhận định sau: (a) Ở điều kiện thường, metylamin và đimetylamin là những chất khí có mùi khai. (b) Cho lòng trắng trứng vào Cu(OH) 2 trong NaOH thấy xuất hiện màu xanh đậm. (c) Muối phenylamoni clorua không tan trong nước. (d) H 2 NCH 2 CONHCH(CH 3 )COOH là một tripeptit. (e) Ở điều kiện thường H 2 NCH 2 COOH là chất rắn, dễ tan trong nước. Số nhận định đúng là A. 1 B. 2 C. 3 D. 4 Câu 40: Đun nóng triglixerit X với dd NaOH vừa đủ thu được dung dịch Y chứa 2 muối natri stearat và natri oleat. Chia Y làm 2 phần bằng nhau. Phần 1 làm mất màu vừa đủ dd chứa 0,12 mol Br 2 . Phần 2 đem cô cạn thu được 54,84 gam muối. Phân tử khối của X là A. 886. B. 884. C. 890. D. 888. --- HẾT --- DIỄN ĐÀN TOÁN - - HÓA 1000B TRẦN HƯNG ĐẠO TP.QUY NHƠN MỌI YÊU CẦU GỬI VỀ HỘP MAIL DAYKEMQUYNHONBUSINESS@GMAIL.COM HOTLINE : +84905779594 (MOBILE/ZALO) https://daykemquynhonofficial.wordpress.com/blog/ DẠY KÈM QUY NHƠN OFFICIAL ST> : Đ/C 1000B TRẦN HƯNG ĐẠO TP.QUY NHƠN Trang 5 Đóng góp PDF bởi GV. Nguyễn Thanh Tú www.facebook.com/daykemquynhonofficial www.facebook.com/boiduonghoahocquynhonofficial

https://twitter.com/daykemquynhon plus.google.com/+DạyKèmQuyNhơn www.facebook.com/daykem.quynhon http://daykemquynhon.blogspot.com http://daykemquynhon.ucoz.com Nơi bồi dưỡng kiến thức Toán - Lý - Hóa cho học sinh cấp 2+3 / Diễn Đàn Toán - Lý - Hóa 1000B Trần Hưng Đạo Tp.Quy Nhơn Tỉnh Bình Định BỘ ĐỀ 2018 MÔN HÓA HỌC ĐỀ THI THỬ THPT 2018 THPT HOÀNG HOA THÁM- TP HỒ CHÍ MINH Thời gian làm bài: 50 phút; (40 câu trắc nghiệm) BẢNG ĐÁP ÁN 1-A 2-B 3-B 4-C 5-D 6-C 7-D 8-C 9-B 10-A 11-D 12-A 13-A 14-B 15-D 16-D 17-D 18-C 19-D 20-B 21-A 22-D 23-C 24-C 25-B 26-D 27-D 28-A 29-B 30-A 31-D 32-D 33-D 34-A 35-B 36-B 37-A 38-B 39-B 40-A DIỄN ĐÀN TOÁN - - HÓA 1000B TRẦN HƯNG ĐẠO TP.QUY NHƠN MỌI YÊU CẦU GỬI VỀ HỘP MAIL DAYKEMQUYNHONBUSINESS@GMAIL.COM HOTLINE : +84905779594 (MOBILE/ZALO) https://daykemquynhonofficial.wordpress.com/blog/ DẠY KÈM QUY NHƠN OFFICIAL ST> : Đ/C 1000B TRẦN HƯNG ĐẠO TP.QUY NHƠN Trang 6 Đóng góp PDF bởi GV. Nguyễn Thanh Tú www.facebook.com/daykemquynhonofficial www.facebook.com/boiduonghoahocquynhonofficial

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Bộ đề luyện thi THPT Quốc Gia Môn Ngữ Văn (2016)
ĐỘC HỌC MÔI TRƯỜNG VÀ SỨC KHỎE CỘNG ĐỒNG
CÁC TRẠNG THÁI VẬT LÝ CỦA POLYMER