Вопрос школьника по предмету Химия
Метанол и этиленгликоль похожи тем, что они:
горят с образованием углекислого газа и воды
изменяют окраску лакмуса
легче воды
вязкие тяжёлые жидкости
Ответ учителя по предмету Химия
Ответ:
горят с образованием углекислого газа и воды
изменяют окраску лакмуса
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1.Visit the Fiji Islands and enjoy staying at the Poseidon Undersea Resort. It is 40 feet below the surface of the Fijian Lagoon. You will get there by a special ‘elevator’ which will bring you under the sea. 70 percent of the walls are made of special plastic and you can see through them. You can even feed the fish in the sea — by simply pushing the button in the wall.
2.Visit Sweden and enjoy staying in the largest ice hotel in the world. It is made up of over 6,000 square feet of ice and snow. The average temperature is 17 degrees Fahrenheit. How do guests survive there? They sleep in special sleeping bags on a bed built of snow and ice, on reindeer skins. A cup of hot cranberry juice is brought to them in the morning.
3.Visit Kerela, India and enjoy staying in the Green Magic Treehouses. The houses are built in trees 90 feet high in a tropical rainforest. There are baths and telephones, the hotel is modern and comfortable. The houses are made of eco-friendly materials. Electricity power is not used in this hotel. They use solar batteries. This is really a wonderful place to stay.