Water from them contains a lot of impure substances【小题4】What is the function of the chemical substance chlorine? . to air the water . to catch tiny things . to kill microbes . to remove harmful gases【小题5】What is probably this passage? . A news report . A book review . A ...
Why is chlorine a nonmetal? What is the mass number of argon? Why is californium in the actinide category? Is potassium-argon dating absolute? What is the noble gas configuration for silicon? Is argon a greenhouse gas? What are the 6 noble gases that occur naturally?
Why is chlorine a nonmetal? Is N2O3 ionic or covalent? Is sodium a solid, liquid, or gas? Is salt a pure substance? What is curium chloride? Is francium a compound or element? How do metals and nonmetals react with water? What elements are in salt?
Freon-12 (CCl2F2) is used as a refrigerant in air conditioners and as a propellant in aerosol cans. Calculate the number of molecules of Freon-12 in 4.84 mg of Freon-12. What is the mass of chlorine i Buckminsterfullerene is a m...
What is the melting point of pure water? What is the melting point of neon? What is the melting point of dubnium? What is chlorine's melting point? What is the melting point of sodium? What is the melting point for salt? What is the melting point of sugar?
A.It is used through the whole process of purification B.Only rain water can be collected and stored in it C.Water collected can be stored and filtered in it D.Water from them contains a lot of impure substances 【小题4】What is the function of the chemical substance chlorine? A....
Chlorodimethylsilane is a group of reactive, chlorine-containing silicone compound, and it is used in many chemical processes, such as preparation of vinyldimethylsilanols for palladium-catalyzed cross-coupling with aryl iodides. The popular uses of chlorodimethylsilane are listed as below: (1) A...
(过滤) in a special pond.Stones,sand and other unwanted tiny things are caught in it.After that,tiny microbes are still present in the water.These microbes are removed by"airing"the water and by adding a chemical substance called chlorine (氯) to the water.This kills all the microbes in...
achlorine salt 正在翻译,请等待... [translate] ayour time zone is faster one hour than ours 正在翻译,请等待... [translate] ait can take place on a large scale and fish can be made available economically to the population living in the neighboring areas 它可能大规模地发生,并且鱼可以经济上...
Vinyl is not a natural substance but is a synthetic man-made material. It is a type of plastic that is made from ethylene (found in crude oil) and chlorine (found in regular salt). When processed, both the substances are combined to form Polyvinyl Chloride (PVC) resin, or as is common...