When chlorine is added to - Study guides, Class notes & Summaries

Certified Pool Operator Exam Review (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A Q: ideal cyanuric acid range: _____ to ______ ppm Answer: 30, 50 Q: acts as a protection for chlorine compounds from UV light Answer: cyanuric acid Q: CyA will act as a stabilizer for _______ but does not stabilize ________ Answer: free chlorine, bromine Q: The only way to reduce CyA concentration is to _______ Answer: dilute th...

Test Bank Memmlers Structure and Function of the Human Body 12th Edition Cohen Chapter 01: Introduction to the Body MULTIPLE CHOICE 1. The word derived from two word parts that mean ―cutting apart‖ is a. physiology b. homeostasis c. anatomy d. dissection ANS: C DIF: Memorization REF: p. 3 OBJ: 1 TOP: Introduction 2. The study of how the body functions is called a. physiology b. homeostasis c. anatomy d. dissection ANS: A DIF: Memorization REF: p. 3 OBJ: 1 TOP: Introduction 3. The correct seq...

Certified Pool Operator Final Exam (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A Q: Because carbonate ions combine with hydrogen ions, sodium carbonate will cause pH to: Answer: Rise Q: When enough chlorine is added to cause complete oxidation of all organic compounds, a sudden drop in residual chlorine may be noticed. The point at which this occurs is called the: Answer: Break-point Q: "Residual chlorine" refers to: Answer: ...

Chapter 3: Chemical Reactions 1. Which of the following cannot be determined from a balanced chemical equation? a. b. c. d. e. ANSWER: POINTS: TOPICS: OTHER: The number of molecules of reactants and products. The number of atoms of each element reacting. The number of moles of reactants and products. The relative mass of each reactant and product. Whether the reaction will proceed as written. e 1 3.1 Chemical Equations Comprehension 2. In the reaction given below, if 12 moles of aluminu...

ODP test Questions and Answers 2023 Chlorofluorocarbon (CFC) refrigerants consist of: Chlorine, Fluorine, Carbon What causes a CFC molecule to break down once it reaches the upper atmosphere? Ultraviolet light The Ozone layer: Reduces ultraviolet radiation. Hydrochlorofluorocarbon (HCFC) refrigerants consists of: Hydrogen, Chlorine, Fluorine, Carbon. Which of the following refrigerants causes the least amount of damage to the ozone layer? R-134a Are there...

EPA SECTION 608 CORE (2021-2022 revision) A disposable cylinder should be reduced to what pressure before scrapping? a. 0 psig b. 20 psig c. 50 psig d. 80 psig A major system repair is being performed on a R-22 appliance. What CANNOT be done to recharge the appliance? a. Add R-22 after the repair is complete. b. Retrofit the unit to R-407C. c. Use recovered or recycled R-22 from the same owner. d. Top off the unit with R-410a. A refillable cylinder must not be filled above what ...

REHS Practice Test Questions and Answers 100% Accurate Soil permeability procedure involves evaluating a soil core or test pit. What does the procedure yield? a. Permeability estimated seepage rate b. Permeability estimated application rate c. Permeability estimated range b. Permeability estimate How does chlorine kill microorganisms and bacteria? a. By weakening enzymes and destroying internal organelles b. By attacking lipids in cell walls and destroying enzymes and structure...

Fresenius Water Treatment Exam, Fresenius Hemodialysis Study Guide 2023Types of water sources? Surface and Ground Examples of surface water? lakes, streams, rivers, reservoirs Examples of ground water? Wells, springs FMC follows water quality standards according to who's standards? AAMI Bone disease can be caused by ________ in product water? Aluminum Aluminum in product water put the patient at risk for ________? Anemia Aluminum, chloramphenicol,...

Bio 93 Midterm Review (Test Questions) with Complete Solutions Which of the following properties or processes do we associate with living things? A) evolutionary adaptations B) energy processing C) responding to the environment D) growth and reproduction E) all of the above e The lowest level of biological organization that can perform all the activities required for life is the A) organelle-for example, a chloroplast. B) cell-for example, a skin cell. C) tissue-for example, ne...

Soil permeability procedure involves evaluating a soil core or test pit. What does the procedure yield? a. Permeability estimated seepage rate b. Permeability estimated application rate c. Permeability estimated range - b. Permeability estimate How does chlorine kill microorganisms and bacteria? a. By weakening enzymes and destroying internal organelles b. By attacking lipids in cell walls and destroying enzymes and structures inside c. By breaking bonds and poisoning the cell - b. By att...