Hòa tan hết 20,88 g một oxit kim loại bằng dd H2SO4 đặc, nóng thu được dd X và 3,248 lít khí SO2 (đktc). Xác định oxit kim loại
Ánh sáng từ dây tóc bóng đèn truyền trực tiếp đến mắt ta theo ống thẳng hay ống cong?
VII.Write the second sentence so that it has the same meaning to the first one. 1.My father finds playing board games interesting. →My father is 2.He last spoke to me 2 weeks ago. →He hasn’t 3.They began collecting stamps in 2015. →They have 4.She has never carved eggshells before. →This is the first time 5.I spend twenty minutes walking to school every morning. →It takes me 6.I find losing weight very difficult. →It’s very
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Làm logo 7A1 Family đi mn ! Làm đẹp vô nhá nhá
giúp mình 3 câu trắc nghiệm này vs ạ
Giúp em vs anh chị huhu em không biết giải
cali: nii123 - digi not tradi - tone xanh dương - có trang trí
V. Rearrange the words to make meaningful sentences. 1. Playing/and / the / is / room / the guitar / Ba / in / learning / music / to. 2. dinner / like / come / would / to / house / you / to / for / my? 3. this time tomorrow/ English/ They/ will/ be learning. 4. doesn’t like/ ice-skating/ because/ my brother/ dangerous/ he/ it is/ thinks. 5. people/ until/ flying cars/ use/ won’t/ year 2050.
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