which comprises support and catalytic noble metal, with a non-elemental halide compound, which is not a mineral acid (such as an alkali metal halide, an ammonium halide, an alkaline earth metal halide, and/or a halogenated hydrocarbon); and (2) then using the treated catalyst in a hydrodech...
A. Quartz B. Phosphate C. Feldspar D. Mica 相关知识点: 试题来源: 解析 B。解析:在生产化肥中,磷酸盐(phosphate)是很重要的矿物。A选项石英(quartz)主要用于玻璃制造等行业,与化肥生产无关。C选项长石(feldspar)主要用于陶瓷等行业,不是生产化肥的重要矿物。D选项云母(mica)主要用于电气设备等,和化肥生产关...
Which is not a mineral of aluminium? View Solution Which of the following is not a mineral of boron ? View Solution View Solution View Solution View Solution View Solution Exams IIT JEE NEET UP Board Bihar Board CBSE Free Textbook Solutions ...
Which of the following is not a mineral acid? View Solution View Solution View Solution View Solution Exams IIT JEE NEET UP Board Bihar Board CBSE Free Textbook Solutions KC Sinha Solutions for Maths Cengage Solutions for Maths DC Pandey Solutions for Physics ...
Chemical elements can be named after minerals. Which element is named after a mineral containing iron? A. Manganese B. Magnesium C. Mercury D. Molybdenum 相关知识点: 试题来源: 解析 A。锰(Manganese)是以一种含有铁的矿物命名的。镁(Magnesium)、汞(Mercury)、钼(Molybdenum)都不是以含有铁的矿...
aAll bodies are either p|astic or p|astic 正在翻译,请等待... [translate] acarpaly carpaly [translate] aPersonally I think the GS Quality will be OK for Mineral Oil which is not as severe as petroleum oils 个人我认为GS质量为不是一样严厉的象石油的矿物油将是好的 [translate] ...
百度试题 结果1 题目Question. Which one of the following is a mineral of iron? D(a) Malachite(b) Cassitente( c Pyrolusite d) Magnetite 相关知识点: 试题来源: 解析 D 反馈 收藏
Answer to: The manner in which a mineral reflects light is called (a) ___ and can be either (b) ___ or (c) ___. By signing up,...
A gangue mineral which is considered to be worthless today may prove to be of value tomorrow选择语言:从 到 翻译结果1翻译结果2 翻译结果3翻译结果4翻译结果5 翻译结果1复制译文编辑译文朗读译文返回顶部 这被认为是今天是一个毫无价值的脉石矿物可能被证明是有价值的明天 翻译结果2复制译文编辑译文朗读译文...
Which mineral element is important for the formation of chlorophyll in plants? A. Potassium B. Magnesium C. Calcium D. Sulfur 相关知识点: 试题来源: 解析 B。解析:本题考查不同矿质元素在植物体内的作用。镁(Magnesium)对于植物叶绿素(chlorophyll)的形成非常重要,缺镁会导致叶片发黄等症状。钾(Potassium...