Review in Chemical Technician Licensure Examination
Available courses
Acids and Bases
ACS-Secondary Safety Guidelines
Analytical Chemistry
Chemical Bonding / Basic Concept
Chemical Safety
Chemical Storage
Chemical-Waste-Disposal-Classification-and-Collection
Chromatographic Techniques
CM3820_2009_Sampling
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Electrochemistry is the branch of physical chemistry concerned with the relationship between electrical potential difference, as a measurable and quantitative phenomenon, and identifiable chemical change, with the potential difference as an outcome of a particular chemical change, or vice versa
Electrochemistry is the study of chemical processes that cause electrons to move. This movement of electrons is called electricity, which can be generated by movements of electrons from one element to another in a reaction known as an oxidation-reduction ("redox") reaction
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Naming Compounds is a fundamental aspect of chemistry, crucial for communication among scientists and understanding the composition of substances. The naming conventions depend on the type of compound, whether it's organic or inorganic. Accurately is important for clear communication in the scientific community and ensuring proper understanding of the chemical composition and properties of substances.
Inorganic Compounds: Inorganic compounds typically include ionic compounds and molecular compounds that don't contain carbon.
Organic Compounds: Organic compounds are based on carbon atoms and may contain other elements such as hydrogen, oxygen, nitrogen, sulfur, and halogens. They are classified into various categories like alkanes, alkenes, alkynes, alcohols, carboxylic acids, etc.
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A gas is a sample of matter that conforms to the shape of a container in which it is held and acquires a uniform density inside the container, even in the presence of gravity and regardless of the amount of substance in the container.
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General Chemistry is an introduction to the basic concepts of chemistry, including atomic structure and bonding, chemical reactions, and solutions. Other topics covered include gases, thermodynamics, kinetics and equilibrium, redox, and chemistry of the elements.
Chemistry is the study of matter—its characteristics, behavior and structure. Chemists are interested in the way materials act and react in certain situations, so they produce and observe these reactions, both in nature and artificially in a lab setting
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The Principles of Good Laboratory Practice (GLP) are a managerial quality control system covering the organizational process and the conditions under which non-clinical health and environmental studies are planned, performed, monitored, recorded, reported and retained (or archived).
- Identify common personal protective equipment (PPE)
- Safety equipment in the lab (eye wash and eye shower)
- Describe the importance of chemical safety (Chemical Fume Hood)
- Fire safety
- Disposal Procedures
- How to be a good lab citizen
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Principles of GLP include:
- Implementing SOPs
- Proper maintenance and calibration of equipment
- Correct practices of laboratory personnel in performing analytical work
- Efficient management of laboratory records
- Methods used will be “fit for purpose”
Organizational elements emphasized in GLP:
- Resources
- Written procedures and protocols
- Characterization of test items and test systems
- Documentation of raw data, final report, and archiving
- Independent quality assurance unit
- Archiving
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Incompatible Chemical Storage
Storing incompatible chemicals together could create a hazardous reaction such as the production of toxic gas, accelerated corrosion, or an exothermic reaction (a chemical reaction that releases heat), which could result in an explosion and/or fire.
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Laboratory Quality Standards and their Implementation
The purpose of establishing laboratory quality standards is to ensure the accuracy of the test results, increase the confidence of patients, clinicians and communities in the value of laboratory testing, and to inform patient management.
Standards ensure desirable characteristics of products and services such as quality, safety, reliability, efficiency and reproduceability. ISO standards provide a technical base for health, safety and conformity assessment.
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Organic chemistry is the study of the structure, properties, composition, reactions, and preparation of carbon-containing compounds. Most organic compounds contain carbon and hydrogen, but they may also include any number of other elements (e.g., nitrogen, oxygen, halogens, phosphorus, silicon, sulfur).
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Organic chemistry lab is a lab space dedicated to organic chemistry projects, experiments, reactions, and observations. Since organic chemistry relies on specialized equipment, you can't really do other types of chemistry in an organic chemistry lab
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Organic reactions are chemical reactions involving organic compounds. The basic organic chemistry reaction types are addition reactions, elimination reactions, substitution reactions, pericyclic reactions, rearrangement reactions, photochemical reactions and redox reactions
Organic reactions require the breaking of strong covalent bonds, which takes a considerable input of energy. In order for relatively stable organic molecules to react at a reasonable rate, they often must be modified with the use of highly reactive materials or in the presence of a catalyst. In this lesson, you will learn about several general categories of organic reactions.
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- Overview of five(5) major environmental laws implemented by the EMB-DENR
- DENR guideline issuance for the implementation of each environmental law.
- Other cross sectoral environmental management measures.
- DENR policy updates/directions on the processing of ECC and CNC applications.
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Republic Act No. 3931 creating the National Water and Air Pollution Control Commission. The Act declares as national policy " to maintain reasonable standards of purity for the waters and of this country with their utilization for domestic, agricultural, industrial and other legitimate purposes".
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Philippine-Laws-on-Environmental-Pollution
- Environmental Impact Assessment Law (PD 1586)
- Toxic Substances And Hazardous Waste Management Act (RA 6969)
- Clean Air Act Of 1999 (RA 8749)
- Ecological Solid Waste Management Act (RA 9003)
- Clean Water Act (RA 9275)
- Environmental Awareness And Education Act Of 2009 (RA 9512)
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Physical Properties of Solutions
A solution is a homogenous mixture of 2 or more substances .
The solute is (are) the substance (s) present in the smaller amount (s)
The solvent in the substance present in the large amount.
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Hydrogen, oxygen, nitrogen, and a number of other elements also bond strongly to carbon, and a tremendous variety of compounds can result. In the early days of chemistry such compounds were obtained from plants or animals rather than being synthesized by chemists, and so they came to be known as organic compounds. This distinguished them from the inorganic compounds available from nonliving portions of the earth’s surface. Today literally millions of carbon compounds can be synthesized in laboratories, and so this historical distinction is no longer valid. Nevertheless, the study of carbon compounds is still referred to as organic chemistry.
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Quality management is the act of overseeing all activities and tasks that must be accomplished to maintain a desired level of excellence. This includes the determination of a quality policy, creating and implementing quality planning and assurance, and quality control and quality improvement.
Quality management is the act of overseeing all activities and tasks that must be accomplished to maintain a desired level of excellence. This includes the determination of a quality policy, creating and implementing quality planning and assurance, and quality control and quality improvement.
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- Identify compounds as acids or bases, and as strong, weak, or nonelectrolytes
- Recognize reactions by type and be able to predict the products of simple acid–base, precipitation, and redox reactions.
- Calculate molarity and use it to convert between moles of a substance in solution and volume of the solution.
- Describe how to carry out a dilution to achieve a desired solution concentration.
- Describe how to perform and interpret the results of a titration.
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Republic act No. 6969, (Toxic Substances and Hazardous and Nuclear Waste Control Act)
Management of industrial chemicals and hazardous wastes in all aspects of its life cycle, "cradle to grave" importation, distribution, use, manufacture of chemical substances and generation, transportation, treatment, storage and disposal of Hazardous Waste.
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The Philippine Clean Water Act of 2004 (Republic Act No. 9275) aims to protect the country's water bodies from pollution from land-based sources (industries and commercial establishments, agriculture and community/household activities).
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Republic act No. 8749, shall be known as " Philippine Clean Air Act of 1999." It is a comprehensive air quality management policy and program which aims to achieve and maintain healthy air for all Filipinos.
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The Republic Act (RA) 9003, otherwise known as the Ecological Solid Waste Management Act of 2000, provides the necessary policy framework, institutional mechanisms and mandate to the local government unites (LGUs) to achieve 25% waste reduction through establishing an integrated solid waste management plans based on 3Rs (reduce, reuse and recycling). While the efforts of LGUs are still very limited with a mix of results in implementing the national mandate, this paper presents the experiences of Cebu, a second largest city in the Philippines with about one million people, has shown to have succeeded in reducing its municipal waste generation by more than 30% over the last three years. The findings suggest that the impacts of the national mandate can be achieved if the LGUs have the high level of political commitment, development of effective local strategies in collaborative manner, partnership building with other stakeholders, capacity development, adequate financing and incentives, and in the close monitoring and evaluation of performance.
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Rules in Naming Organic Compounds
IUPAC Nomenclature
Short Summary of IUPAC Nomenclature of Organic Compounds.
According to the Rule of First Point of Difference, when series of locants containing the same number of terms are compared term by term, that series is "lowest" which contains the lowest number on the occasion of the first difference.
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Spectroscopic techniques employ light to interact with matter and thus probe certain features of a sample to learn about its consistency or structure. Light is electromagnetic radiation, a phenomenon exhibiting different energies, and dependent on that energy, different molecular features can be probed.
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Workshop Presentation - Environmental Laws and Regulations in the Philippines
This session provides lectures and discussions on the state of Environmental Laws and Regulations in the Philippines
Compilation of past board exam questions