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monter1959
2 năm trước
Cho 13.8 g hỗn hợp khí gồm $C_{2}H_{2}$ và $C_{2}H_{4}$ tác dụng hết với dung dịch Brom dư, lượng brom tham gia phản ứng là 96 g. a, Viết phương trình hóa học của phản ứng b, Tính khối lượng của hỗn hợp sản phẩm thu được c, Tính phần trăm khối lượng của mỗi khí hỗn hợp
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Read the passage, and decide whether the statements that follow are True or False : (1pt) Last month, Lan’ s father took her to a glass factory. They visited the recycling workshop where the broken glass was smashed into small pieces, and the glass was washed with a particular detergent liquid. After that, it was dried up and mixed with some chemicals. The mixture was put into a very high temperature furnace to melt into liquid. The workers in the factory used long pipes to blow the liquid into a variety of shapes. All the glassware looks nice. Lan was very impressed by the journey.  1)................Lan`s parents took her to a glass factory last month. 2)................The glass was cleaned with water. 3)................The glass was dried up and mixed with some chemicals 4)................The worters used long pipes to blow the mixture into a variety shapes 5)................Lan's father was impressed by the journey 6)................The passage is about recycling glass

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