分析这个长句子:“Potash (the old name for potassium carbonate )is one of the two alkalis (the other being soda, sodium carbonate )that were used from remote antiquity in the making of glass,and from the early Middle Ages in the making of soap:the former being the product of heating a ...
melanoscopenoun(n.) An instrument containing a combination of colored glasses such that they transmit only red light, so that objects of other colors, as green leaves, appear black when seen through it. It is used for viewing colored flames, to detect the presence of potassium, lithium, etc...
potassium (N-propylsulfamoyl)amide;N-Propyl-sulfamide potassium salt;N-Propylsulfamide potassium salt;N-propylsulfamide potassium;KS-00000SKF;Potassium(N-propylsulfamoyl)amide;BCP09231;MFCD28144694;AKOS025402563;ACN-036799 1393813-41-6Inquiry
apophyllitenoun(n.) A mineral relating to the zeolites, usually occurring in square prisms or octahedrons with pearly luster on the cleavage surface. It is a hydrous silicate of calcium and potassium. apotactitenoun(n.) One of a sect of ancient Christians, who, in supposed imitation of the...
There was a new girl in school, whose name was Sarah. At lunch, she sat by herself.I heard __3__ behind me and saw some girls pointing.I felt really __4__ for Sarah, but I decided to let it go. The next day, she sat next to me in social studies. I heard giggles...
to ...[2](e)Aqueous potassium iodide reacts with aqueous copper(II) sulfate to produce iodine.(i) Balance the chemical equation for this reaction.KI + CuSO4 → CuI + I2 + K2SO4[2](ii) Deduce the charge on the copper ion in CuI.***..*..[1](iii) In terms of electron transfer...
aThe micro-organisms that occur in organic soil will break down the organic matter and will thus produce Nitrogen, Phosphate and compounds of Potassium, Calcium and other elements that are all essential for healthy plant growth. 在有机土壤中出现的微有机体将打破有机事情,并将因此生产氮,钾,钙和是...
- Named for the messenger of the Roman gods - Diameter: 3,031 miles (4,878 km) - Orbit: 88 Earth days - Day: 58.6 Earth days - Number of moons: 0 Mercury's atmosphere is very thin and primarily composed of oxygen, sodium, hydrogen, helium and potassium. Because the atmosphere is ...
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Nameconcentrate antifreeze coolant blue/Red colorred,green,blue, any color as you requirements Volume1.5L / 2L / 4L / 6L / 10L/18L/200L/1000L Materialeco-friendly high quality material Function1.Improved cooling fluid 2.Prevent overheating of the engine ...