Bromine water - Study guides, Revision notes & Summaries

What are the 4 halogens we study? Fluorine, chlorine, bromine and iodine Colour and state of fluorine at r.t.p Yellow gas Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:03 / 0:15 Full screen Brainpower Read More Colour and state of chlorine at r.t.p Yellow-green gas Colour and state of bromine at r.t.p Red-brown liquid, with a red-brown vapour forming when heated Colour and state of iodine at r.t.p Grey-black solid, with a pur...

m   1. Which of the following is the mRNA start codon in most cases? A. UAA B. AGU C. AUG D. UGA 2. Which of the types of RNA is the smallest? A. mRNA B. tRNA C. rRNA D. 3. Which of the following is not considered a pyrimidine? A. C B. T C. U D. G 4. Which of the following is paired correctly? A. A-G B. C-G C. A-U D. G-T 5. Which of the following characterizes a Western blot? A. Antibody/protein hybridization B. DNA/RNA combination C. RNA ...

CHEM-219- MODULE 2 EXAM|LATEST UPDATE 2024|VERIFIED PORTAGE LEARNING EXAM QUESTIONS AND CORRECT ANSWERS ALL GRADED A+|GUARANTEED SUCCESS| What are hydrocarbons? - ANSWER-Molecules composed of only the elements carbon and hydrogen What are the two major classes of hydrocarbons? - ANSWER-Aromatic (benzene) and aliphatic (alkanes, alkenes, alkynes) What is the main source of hydrocarbons? - ANSWER-Fossil fuels like coal, petroleum, and natural gas obtained by mining and drilling. ...

CPO Test with elaborated answers 2023 11 reasons why the health dept will close your pool - CORRECT ANSWER-1. danger to the public 2. no lifeguard on the deck 3. main drain not visible 4. free chlorine, bromine, pH or cyanuric acid are other than specified 5. recirculating equipment not working for more than 1 hour 6. chemical disinfectant feeder has not been functional for over 24 hours 7. bathhouse drainage system is blocked to render the bathhouse unusable 8. inspector denied ent...

Pearson Edexcel Level 1/LeveI 2 GCSE (9-1) Time 1 hour 10 minutes Paper ISCO/2CF Reference combined science PAPER 5 Foundation Tier Please check the examination details below before entering your candidate information Centre Number Candidate Number Pearson Edexcel Level 1/Level 2 GCSE (9–1) Time 1 hour 10 minutes Paper reference 1SC0/2CF Total Marks Candidate surname Other names You must have: Calculator, ruler • • Answer all questions. • Calculators may be used. •...

CPO Test Questions and Answers 2024 (A+ Graded 100%Verified). Depth markings should be clearly visible by people in the water. Wading pool and spa drains must be anti-vortex AND secured. Pool drains must be secured and fastened with screws if holes are present. If at any time the filter equipment, chemical feed system, pump stops working, or the main drain cover has been removed or is broken, the pool must be closed immediately Pool must have 1.0-10.0ppm Free Chlorine & 2.0-10.0ppm Bromine...

Sample Chemistry Placement Exam Questions with Certified Answers Answer: Oxygen Aluminum forms a +3 ion. In order for the formula unit Al2X3 to be electrically neutral, the element X must form a -2 ion. Nonmetals in the oxygen column do this. Of these elements, only oxygen is a diatomic gas. Aluminum reacts with element X to form a compound with the formula A2X3. Element X exists as diatomic molecules, X2, in the gaseous state at normal temperature and pressure. Element X must be? A...

CPO Test Questions and Answers Already Graded A Depth markings should be clearly visible by people in the water. Wading pool and spa drains must be anti-vortex AND secured. Pool drains must be secured and fastened with screws if holes are present. If at any time the filter equipment, chemical feed system, pump stops working, or the main drain cover has been removed or is broken, the pool must be closed immediately Pool must have 1.0-10.0ppm Free Chlorine & 2.0-10.0ppm Bromine ...

CPO Test Questions and Answers 2024 (A+ Graded 100%Verified). Depth markings should be clearly visible by people in the water. Wading pool and spa drains must be anti-vortex AND secured. Pool drains must be secured and fastened with screws if holes are present. If at any time the filter equipment, chemical feed system, pump stops working, or the main drain cover has been removed or is broken, the pool must be closed immediately Pool must have 1.0-10.0ppm Free Chlorine & 2.0-10.0ppm Bromine...

Certified Pool Operator Final Exam 2024 Expected Questions and Answers (Verified Answers) whole range chlorine in a pool: ____ to _____ - ANSWERS 1, 5 ideal range chlorine in a pool: ____ to _____ - ANSWERS 2, 4 whole range chlorine in a spa: ____ to _____ - ANSWERS 2, 10 ideal range chlorine in a spa: ____ to _____ - ANSWERS 3, 5 4 types of solid chlorine - ANSWERS calcium hypochlorite, lithium hypochlorite, trichlor, dichlor liquid chlorine - ANSWERS sodium hypochlorite (NaOCl) ...