Chlorine Study guides, Class notes & Summaries

EPA 608 Core Test Sample Questions and Answers Latest 2023 with complete solution. As of what date did it become unlawful to release Class 1 and Class II refrigerants to the atmosphere? a. July 1, 1992 b. July 1, 1993 c. November 14, 1994 d. January 1, 1996 Ans a. July 1, 1992 What is the ozone layer and why is it important to us on Earth? a. Thin layer of R-22 in the atmosphere that filters UV. b. Protective shield for Earth from the sun's harmful ultraviolent (UV) rays in the strato...

AQA GCSE COMBINED SCIENCE: TRILOGY 8464/C/1H Higher Tier Chemistry Paper 1H Question Paper + Mark scheme [MERGED] June 2022 *junc1H01* IB/M/Jun22/E10 8464/C/1H For Examiner’s Use Question Mark 1 2 3 4 5 6 7 TOTAL Time allowed: 1 hour 15 minutes Materials For this paper you must have: • a ruler • a scientific calculator • the periodic table (enclosed). Instructions • Use black ink or black ball-point pen. • Pencil should only be used for drawing. • Fill ...

Hair follicle - Which of the following is not parental route? Coagulation - Which of the following is NOT a component of invasiveness? All of the above (capsule, cell wall, hyaluronidase) - Which of the following components are part of invasiveness? Exotoxins - __________ are very specific Lipopolysaccharides - Which of the following are endotoxins? They are killed at a constant rate - What is the rate of Microbial death a manual in vitro diagnostic device used by laboratories to determin...

Solids correct answer: definite shame and volume liquids correct answer: Definite volume, no definite shape gases correct answer: No definite shape or volume Levels of Structural Organization in the Human Body correct answer: Chemical Cellular Tissue Organ System Organism Major Elements 96% of the Body's Mass correct answer: Oxygen Carbon Hydrogen Nitrogen Lesser Elements 3.6 % of the Body's Mass correct answer: Calcium Phosphorus Potassium Sulfur Sodium Chlor...

NYC Food Protection Course 2023 - Questions and Answers Raw, marinated or partially cooked fish is made safe by freezing for specified times and temperatures. Which of the following time and temperature combination is recommended: -31°F or lower for 15 hours The most popular chemicalsanitizer is: Chlorine Food held under refrigeration must be at or below: 41°F The reason for refrigerating potentially hazardous foods is to: Slow the growth of bacteria Heat is effective in destroying microorgan...

According to the Safe Drinking Water Act the basic definition of a public water supply system is any water system that supplies water for human consumption that serves: - 15 service connection or over 25 persons for over 60 days a year What federal law regulates public water supplies? - Safe Drinking Water Act What cause water to move through pores in soil and rocks ? - Gravity What are disease producing bacteria called? - Pathogenic A presence/absence coliform test utilizes - color change...

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 ...

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 - ...

A refillable refrigerant cylinder must not be filled above ______ of its full capacity. correct answer: 80% Ozone layer absorbs and scatters ________ from the sun correct answer: Ultraviolet light An award of up to ______ may be paid to a person supplying information that leads to a penalty against a technician who is intentionally venting. correct answer: $10,000 Since ________, it is no longer legal for CFCs to be manufactured or imported into the United States correct answer: Jan...

Mark Scheme (Results) Summer 2023 Pearson Edexcel GCE In Chemistry (9CH0) Paper 02: Advanced Organic and Physical Chemistry Edexcel 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 c...