O le a le Ethylene oxide?
Ethylene oxide is an organic compound with the chemical formula C2H4O, which is a toxic carcinogen and was previously used to make fungicides. Ethylene oxide is flammable and explosive, and is not ea…
O le a le mea e faia e le hydrogeen kesi?
1. What does hydrogen do? Hydrogen has many important uses and functions. It can not only be used as an industrial raw material and special gas, but also be used in the field of biomedicine to exert …
Faapefea Amnias Kasa Faka?
1. How is ammonia gas liquefied? High pressure: the critical temperature of ammonia gas is 132.4C, beyond this temperature ammonia gas is not easy to liquefy. But under high pressure conditions, ammo…
Aisea ua faʻaaogaina ai le faʻasolitulafono o le atrogen i le gatetega?
1. Why use liquid nitrogen as a refrigerant? 1. Because the temperature of liquid nitrogen itself is very low, but its nature is very mild, and it is difficult for liquid nitrogen to undergo chemical…
Aisea o le argon o se kesi i le kesi?
1. Why is argon an inert element? The so-called "inert inert gas" means that these gases are very stable, have low reactivity, and are not easy to form compounds with gases. In fact, the "inertia" of…
Mata e mafai ona gaosia le kesi?
1. Can helium be produced artificially? Yes, there are currently four preparation methodsCondensation method: Condensation method is used in industry to extract helium from natural gas. The process o…
Faʻafefea ona gaosia ia Ienesi?
1. How is silane made? (1) Magnesium silicide method: react the mixed powder of silicon and magnesium in hydrogen at about 500°C, and react the generated magnesium silicide with ammonium chloride in …
O le Hydrogen Peroxide ma Eupropyl Berqual tutusa?
1. Difference Between Hydrogen Peroxide and Isopropyl Alcohol Are not the same. Hydrogen peroxide is an oxidant, and its disinfection principle is to kill microorganisms by oxidizing cell membranes a…
O le a le tuʻufaʻatasiga o le argon-hydrogen paluʻai?
1.What is argon-hydrogen mixture? Argon-hydrogen mixed gas is a commonly used shielding gas, which is widely used in welding, cutting, thermal spraying and other industrial fields. The proportion of …
Aisea ua lamatia ai Sila?
1. Why is silane toxic? May be hazardous by inhalation, ingestion or absorption through the skin. Particularly flammable, keep away from heat, sparks and open flames. Its volatilized mist is irritati…
Faʻafefea mai le siʻitia o le hydrogeen?
1. How is liquid hydrogen produced? Hydrogen production by water gas method Use anthracite or coke as a raw material to react with water vapor at high temperature to obtain water gas (C+H2O→CO+H2—hea…
O le a le mea o loʻo faʻaaoga e le arm bongon
一. Is liquid argon dangerous? First of all, liquid argon is a colorless, tasteless, odorless, non-toxic inert gas, which is not harmful to the human body and the environment. However, at high concen…
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