Matter, being anything that constitutes the universe, can be distinguished by its composition and properties. When a matter is described using properties, the qualities that separate it from another sample of matter can be observed or measured using its physical...
This instrument is used for separating solid particles from a liquid. What is it? A. Balance B. Filter paper C. Stirring rod D. Volumetric flask 相关知识点: 试题来源: 解析 B。A 选项 balance 是天平,用于称量;B 选项 filter paper 是滤纸,用于分离固体颗粒和液体;C 选项 stirring rod 是搅拌...
The gases have greater entropy than the solids and liquids. Solids have a proper definite arrangement of atoms and molecules. Due to this, the motion of atoms and molecules is restricted. At certain temperatures, the motion of particles can be accelerated or ceased....
Water is a powerful drink and a universal solvent. As such, it can dissolve and absorb molecules from several substances. Thetotal dissolved solids (TDS) levelis the number of particles dissolved in a volume of water. TDS has two forms:organicandinorganic. Understanding and calculatin...
Paper chromatography:The silica and alumina from the previous type get replaced with a paper soaked in liquid here. Plus, a liquid solvent is utilised in the place of the organic solvent. All the segregated particles can be observed as patches on the stationary phase after it dries out complet...
Capacitors are devices which store electrical energy in the form of an electric field. The process is quite similar to the way mechanical springs store energy in the form of elastic material deformation, to the extent that the math describing both is quite similar, save for the variables used....
A silicone compound is made up of a hydrophobic particle dispersed in silicone oil, which produces a foam control used in a great variety of applications.
Give the answer of the following question in short. (i) When the simple distillation is used? (ii) When the fractional distillation is used? (iii) Which liquid is first obtain in fractional distillation? (iv) Which liquid is first cooled in fractional distillation? (v) What happend in frac...
Zepbound was approved on Nov. 8, 2023 and is given as a once-weekly subcutaneous (under the skin) injection in adults. In studies, participants lost an average of 21% of their body weight, equal to 48 lb (21.8 kg) using the 15 mg once weekly dose....
5.To solve the present social problems the author suggests that we should. 6.The author mentions the fact that…to show. 7. This passage would most likely be found in ___? 8.The author’s attitude toward …is ___? 9. The tone of the passage can best be described as ___?