If you have a mixture of water with activated carbon and common salt. Sequence Correct operations, to separate activated carbon and salt from this mixture, is: A) Filtration and decantation B) Evaporation and filtration C) Distillation and filtration D) Filtration and evaporation
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If you have a mixture of water with activated carbon and common salt. Sequence Correct operations, to separate activated carbon and salt from this mixture, is: A) Filtration and decantation B) Evaporation and filtration C) Distillation and filtration D) Filtration and evaporation
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- Analyze each statement (A and B) whether they are true or false. Use the choices below in answering each item; A statement A is true B statement B is true C both A and B are true D neither A nor B are true (A) Organic matter application enhances soil texture. (B) Soil texture is a soil physical property that focuses on the whole of the solid fraction of the soil.Your goal is to separate two solids by adding water and then filtering the mixture. What are the final steps of ending up with two separate solids? (select one) a) Use water to wash the solid off the filter paper into the filtrate and evaporate the water from the filtrate. b) Use water to further rinse the solid on the filter paper and collect the filtrate into a new container. c) Scrape the solid off the filter paper into one container and collect the filtrate into a new container. d) Scrape the solid off the filter paper into one container and evaporate the water from the filtrate to isolate the other solid.1. Which of the following is not a step in preparing a water sample container?a. All sample containers must be dark in colorb. The type of sample container and the level of cleaning required depend on the type of sample to be takenc. All sample containers must be thoroughly cleaned in the laboratory before sampling is carried outd. The number of containers prepared must always be in excess of what is needed, for quality assurance, quality control and reserves 2. The purpose of environmental sample analysis is..a. To determine the origin and concentration of chemicals in the environmentb. To determine the origin, concentration of chemicals and/or pollutants in the environmentc. To determine the concentration of a chemical in the environmentd. To determine the cause and concentration of pollutants in the environment
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- What are the assumptions in the Ruth equation for filtration?The Covid-19 pandemic has many experts commenting on the science associated with the virus - origins, vaccines, monoclonal antibodies, masks, social distancing. It is important to consider what the experts say, but to also evaluate their statements. We will start with the scientific method. I want you to outline the scientific method from what you have been taught in previous classes. You can list steps, parts, process, short descriptions, whatever. If not taught in previous classes, then you will make your best guess about it.Does mass alone determine weather an object will float or sink
- Crystals have precipitated upon cooling a homogeneous solution of a compound. The crystals were then separated by vacuum filtration. Which of the following terms is the best term to correctly to describe the liquid after filtration? Supernatant Solvent Solution Soluble impurities FiltrateWater that flows freely downward through voids between soil particles is called:_______________ hygroscopic water capillary water transpiration water gravitational waterChoose the one correct or one incorrect statement regarding filtration: gravity filtration uses a Buchner funnel, filtering flask and negative pressure filter paper should be wet with solvent to seal it to the funnel before filtering the solution collected in the filtering flask is called the residue vacuum filtration is most often used to remove impurities from a solution the solution to be filtered should completely fill the top of a Buchner funnel