Chlorine - Study guides, Class notes & Summaries

OCR AS LEVEL CHEMISTRY A HO32/02 DEPTH IN CHEMISTRY ORIGINAL EXAM 2024 WITH ACCURATE QUESTIONS AND ANSWERS FOR A+ GRADE CHECK THE LAST PAGE FOR ANSWERS 1 Group 2 elements are metals that react with oxygen and water. (a) Magnesium is oxidised when it burns in oxygen to form an ionic compound. (i) Write the electron configuration, in terms of sub-shells, of a magnesium atom. ...................................................................................................................

EPA 608 CORE Exam Questions and Answers (2022/2023) (Verified Answers) Graded A+ What characteristic or characteristics of CFCs make them more likely than other chlorine compounds to reach the stratosphere? Dont disolve iin water Each chlorine atom in the stratosphere can destroy how many ozone molecules? 100,000 ozone molecules Which refrigerant contains a CFC? R500, R12, R113 or R11? Theyre all CFC's HYDROCHLORIC FLORICCARBON (HCFC) refrigerant contain? Hydrogen, chlorine, flouri...

EPA 608 Certification Exam with 100% Correct Answers 2024 What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? - answerNovember 14, 1994 Section 608 of the Federal Clean Air Act requires technicians to what? - answerRecover all refrigerants. The objective of the Clean Air Act is to protect what? - answerThe earth's stratosphere. HFC's - answerHydroFlouroCarbon's CFC's - answerChloroFluoroCarbon's ODP - answerOzone Depletion Potenti...

EPA 609 Technician Certification Questions and Answers Already Passed 1. T/F Ozone at ground level ans at Stratosphere is a harmful pollutant FALSE 2. For determining the Ozone Depletion Potential __________ having been assigned a factor of 1 CFC-11 3. Ozone layer absorbs and scatters __________ form the sun Ultraviolet light 4. T/F R-134 is a chlorine-free refrigerant TRUE 5. a refillable refrigerant cylinder must not be filled above _________ of its full capacity 80% 6. T/F Ester-based sy...

What is the correct way to maintain monomer liquid and polymer powder nail enhancements? Correct Answer File the nail and apply a new layer of product According to TDLR, a licensed cosmetologist or manicurist is prohibited from removing calluses using which of the following? Correct Answer A credo blade According to TDLR, how can ultraviolet electrical sanitizers be used? Correct Answer As a dry storage container for clean implements According to TDLR, what agency bans or deems products...

Mark Scheme (Results) Summer 2023 Pearson Edexcel GCE In Chemistry (9CH0) Paper 02: Advanced Organic and Physical ChemistryEdexcel and BTEC Qualifications Edexcel and BTEC qualifications come from Pearson, the world’s leading learning company. We provide a wide range of qualifications including academic, vocational, occupational and specific programmes for employers. For further information visit our qualifications websites at or for our BTEC qualifications. Alternatively, you can...

IICRC CCT CARPET CLEANING TECHNICIAN ACTUAL EXAM PRACTICE QUESTIONS AND REVISED CORRET ANSWERS | LATEST UPDATED!! What requires longer dry time-natural or synthetic? Why? - ANSWER : Natural; it is more absorbent What is the chemical name for chlorine bleach? - ANSWER : Sodium Hydrochloride Where do protein fibers come from? - ANSWER : animals, insects Where do cellulosic fibers come from? - ANSWER : plants Name 2 protein fibers - ANSWER : wool/silk Name 2 cellulosic fibers - ...

TCEQ class c water license exam questions and answers State Agency responsible for enforcing the safe drinking water act in Texas Texas Commission on environmental Quality What minerals can cause water hardness Calcium and magnesium Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:00 / 0:15 Full screen A public water system must at all times provide Adequate quantity of water, pressure, and disinfection A source grou...

true - Answer Is chlorine heavier then air you contact the fire department in the event of this - Answer who do you call when you have a chlorine leak ammonia soaked rag or swab held near the suspected area - Answer what is best to use when looking for a chlorine leak milk - Answer in case of exposure to chlorine what is best to consume Hydroflouric Acid - Answer what is very strong acid short circuit - Answer what you get when you don't have good mixing permanent ...

The recovery process on an R-12 or R-134a A/C System should continue until a stable vacuum is held by the system for: - ANSWER-2 minutes A recycled refrigerant container has been checked and found to be above the given pressure limit for the ambient temperature Technician A says that the refrigerant container should be placed in a cooler storage area before use Technician B says that the vapor in the container should be slowly vented into a refrigerant handling unit who's right - ANSWER...