Flame test lab - Study guides, Class notes & Summaries

Why do you inoculate plates and tubes near the Bunsen burner? - ️️prevent airborne contamination Where are plates disposed of? - ️️Gray garbage cans by the door Where are test tubes and caps disposed of? - ️️Waste buckets under sink Where are slides and toothpicks disposed of? - ️️Sharps What first action should be taken for every spill? - ️️Tell a TA The ___ method is a quick and easy way to isolate bacteria. - ️️T-streak How many times do you get culture from the...

IGCSE Chemistry Written Exam 2024. State the method used to obtain sand from a mixture of sand and water - CORRECT ANSWER filtration State the method used to obtain solid copper sulfate from aqueous copper sulfate - CORRECT ANSWER crystallisation State the method used to obtain red food dye from a mixture of food dyes - CORRECT ANSWER paper chromatography State the method used to obtain water from salt water - CORRECT ANSWER simple distillation Draw a diagram to show equipment u...

What is the magnification value of the ONLY objective lens that should come in contact with immersion oil? - ️️100x What are the 4 phases of microbial growth? - ️️lag phase log phase stationary phase death phase in what orientation do you incubate the plates after they have been streaked? - ️️agar half on top what must you do to the loop before every use? - ️️flame sterilize your loop T/F: The last thing you do before leaving the lab is take off your lab coat - ️️Fal...

What is a flame test? What does it show? How is it done? - Answer- Flame tests are used to identify the presence of a realatively small number of metal ions. You dip a metal wire into a solution and put it over the hottest part of the flame. This will give off a color showing what elements are present in the compound. Under what circumstances do atoms give off light? Why do atoms of different elements give off different colors of light? - Answer- Atoms emit light when they get excited, then t...

NCIDQ Latest Update (2023/2024) Already Graded A Design Theory A way to direct design based on a system of beliefs or philosophy Programming A process during which info about a problem is collected, analyzed and clearly stated to provide a basis for design The 5 Step Process of PROGRAMMAING 1) Establishing goals 2) Collecting and analyzing facts 3) Uncovering and testing concepts (programmatic concept) 4) Determining Needs 5) Stating the problem 4 major considerations during programming Form ...

Flame Test Lab Experimental Report Sheet Download and save this document to your computer. Complete each section of this experimental report sheet as you progress through the online laboratory experiment. Save your answers as your complete the document. Upload your saved document (once completed) to the submission page for this laboratory experiment. 1. Laboratory Goals: Watch the online video and read the lab notes provided in the “Lab Goals” tab. 2. Lab Preparations: Watch the on...

Microbiology Lab Test, Micro lab 1 Questions with Correct Answers Graded A+ Why are thick or dense smears less likely to provide a good smear preparation for microscopic evaluation? It will diminish the amount o flight that can pass through making it difficult to see under the microscope. Why is it essential that smears be air-dried? Why can't they be gently heated over the flame to speed up the drying process? 1. Overheat will denature and rupture the cell wall. 2. excess water on...

KMLTTB EXAM QUESTIONS AND ANSWERS 2023-2024 VERSION/ A+ SOLUTIONS DIPLOMA CLINICAL CHEMISTRY MCQ SECTION A: 20 MARKS 1. Which test is done routinely on CSF? a) Ketones b) Urobilin c) pH d) Glucose 2. When receiving a specimen in the lab, the following information must be known EXCEPT: a) Age of the patient b) Sex of the patient c) Height of the patient d) Diagnosis of the patient 3. The principle upon which blood glucose is determined by chemistry analyzers is: a) Asatoor an...

Microbiology Lab Test, Micro lab 1 Exam Questions and Answers Why are thick or dense smears less likely to provide a good smear preparation for microscopic evaluation? -Answer-It will diminish the amount o flight that can pass through making it difficult to see under the microscope. Why is it essential that smears be air-dried? Why can't they be gently heated over the flame to speed up the drying process? -Answer-1. Overheat will denature and rupture the cell wall. 2. excess water on the...

CHEM1030 Lab 5 Flame Test Atoms, Elements: Identification of Metals by Flame tests